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A262913
Number of (n+1)X(4+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.
1
1, 11, 33, 137, 1411, 7417, 51769, 529931, 4701201, 44632313, 454922851, 4573641865, 46374477961, 476430252011, 4902011719233, 50649718388009, 526357874613571, 5483464232074777, 57393678601087705, 603752064813378251
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 4 of A262917.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..0..1..1..0....1..1..1..1..0....1..1..0..0..0....0..1..1..0..0
..0..0..1..1..0....1..1..1..1..0....1..1..1..1..0....0..0..1..1..0
..1..1..1..1..0....1..1..1..1..0....1..1..1..1..0....1..1..1..1..0
..1..1..0..0..0....0..0..0..0..0....0..0..1..1..0....1..0..0..1..0
..1..1..0..0..0....0..0..0..0..0....0..0..0..0..0....1..1..0..0..0
CROSSREFS
Cf. A262917.
Sequence in context: A206527 A297478 A213973 * A179204 A372069 A328606
Adjacent sequences: A262910 A262911 A262912 * A262914 A262915 A262916
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 04 2015
STATUS
approved

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Last modified October 21 03:03 EDT 2024. Contains 376963 sequences.
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