|
| |
|
|
A232088
|
|
Table read by rows: Replace last term of the n-th row with 1,1,2,4,...,2^n to get the next row.
|
|
1
|
|
|
|
1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 4, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 8, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 16, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 16, 32, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 16, 1, 1, 2, 4, 8, 16, 32, 64
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,7
|
|
|
COMMENTS
|
Suggested (without definition) by A. Groeneveld in reply to a question on the SeqFan list.
The "limiting row" is given by A232089.
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
The table goes like:
(row n=0) 1
(row n=1) 1, 1
(row n=2) 1, 1, 1, 2
(row n=3) 1, 1, 1, 1, 1, 2, 4
(row n=4) 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 8
(row n=5) 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 16
|
|
|
PROG
|
(PARI) list_A232088(nRows, a=[1])=for(i=1, nRows, print(a); a[#a]=vector(i+1, j, max(2^(j-2), 1)); a=concat(a)); a
|
|
|
CROSSREFS
|
Row lengths are A000124(n)=n(n+1)/2+1.
|
|
|
KEYWORD
|
nonn,easy,tabf
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
