Revision History for A187786
(Underlined text is an addition;
strikethrough text is a deletion.)
Showing entries 1-10
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#12 by Reinhard Zumkeller at Wed Jan 29 04:03:43 EST 2014
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#11 by Reinhard Zumkeller at Wed Jan 29 03:37:51 EST 2014
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| KEYWORD
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nonn,base,tabf,look
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| STATUS
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approved
editing
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#10 by Charles R Greathouse IV at Sat Jul 13 12:03:48 EDT 2013
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_Reinhard Zumkeller_, <, <a href="/A187786/b187786.txt">Rows n = 0..255 of triangle, flattened</a>
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Discussion
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| Sat Jul 13
| 12:03
| OEIS Server: https://oeis.org/edit/global/1934
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#9 by N. J. A. Sloane at Fri Feb 22 21:38:37 EST 2013
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_Reinhard Zumkeller, <_, <a href="/A187786/b187786.txt">Rows n = 0..255 of triangle, flattened</a>
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Discussion
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| Fri Feb 22
| 21:38
| OEIS Server: https://oeis.org/edit/global/1866
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#8 by Reinhard Zumkeller at Mon Jan 07 01:11:21 EST 2013
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#7 by Reinhard Zumkeller at Sun Jan 06 10:55:20 EST 2013
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#6 by Reinhard Zumkeller at Sun Jan 06 10:47:36 EST 2013
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| COMMENTS
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For k = 0..A090706(n)-1: A023416(T(n,k))=A023416(n); A000120(T(n,k))=A000120(n); A053644(n)<=T(n,k)<=A003817(n);
T(n,k) = n for some k;
A187769 contains all rows without repetitions.
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| LINKS
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Reinhard Zumkeller, <a href="/A187786/b187786.txt">Table of n, a(n) forRows n = 0..4707255 of triangle, flattened</a>
<a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a>
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| EXAMPLE
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. n n-th row binary row length
. -- --------------------- ------------------------------- ----------
. 0 {0} {0} 1
. 1 {1} {1} 1
. 2 {2} {10} 1
. 3 {3} {11} 1
. 4 {4} {100} 1
. 5 {5,6} {101,110} 2
. 6 {5,6} {101,110} 2
. 7 {7} {111} 1
. 8 {8} {1000} 1
. 9 {9,10,12} {1001,1010,1100} 3
. 10 {9,10,12} {1001,1010,1100} 3
. 11 {11,13,14} {1011,1101,1110} 3
. 12 {9,10,12} {1001,1010,1100} 3
. 13 {11,13,14} {1011,1101,1110} 3
. 14 {11,13,14} {1011,1101,1110} 3
. 15 {15} {1111} 1
. 16 {16} {10000} 1
. 17 {17,18,20,24} {10001,10010,10100,11000} 4
. 18 {17,18,20,24} {10001,10010,10100,11000} 4
. 19 {19,21,22,25,26,28} {10011,10101,10110,11001,11010,11100} 6
. 20 {17,18,20,24} {10001,10010,10100,11000} 4 .
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| PROG
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(Haskell)
import List (find)
import Maybe (fromJust)
a187786 n k = a187786_tabf !! n !! k
a187786_row n = fromJust $ find (elem n) a187769_tabf
a187786_tabf = map a187786_row [0..]
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#5 by Reinhard Zumkeller at Sun Jan 06 10:18:11 EST 2013
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| NAME
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allocatedTable read by rows, where n-th row contains all numbers having in binary representation as many zeros and forones Reinhardas Zumkellern.
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| DATA
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0, 1, 2, 3, 4, 5, 6, 5, 6, 7, 8, 9, 10, 12, 9, 10, 12, 11, 13, 14, 9, 10, 12, 11, 13, 14, 11, 13, 14, 15, 16, 17, 18, 20, 24, 17, 18, 20, 24, 19, 21, 22, 25, 26, 28, 17, 18, 20, 24, 19, 21, 22, 25, 26, 28, 19, 21, 22, 25, 26, 28, 23, 27, 29, 30, 17, 18, 20
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| OFFSET
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0,3
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| LINKS
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Reinhard Zumkeller, <a href="/A187786/b187786.txt">Table of n, a(n) for n = 0..4707</a>
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| KEYWORD
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allocated
nonn,base,tabf
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| AUTHOR
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Reinhard Zumkeller, Jan 06 2013
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| STATUS
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approved
editing
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#4 by Reinhard Zumkeller at Sun Jan 06 07:47:49 EST 2013
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allocated for Reinhard Zumkeller
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recycled
allocated
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#3 by R. J. Mathar at Wed Jan 02 18:27:26 EST 2013
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