A262329 - OEIS

A262329

Number of (n+1)X(5+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits.

22, 99, 2106, 26131, 570922, 10789339, 237172426, 5028462531, 110616890922, 2411745951979, 53057962551946, 1164684632805331, 25623040149388522, 563395838251985019, 12394707380225550666, 272646042792758242531

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OFFSET

1,1

COMMENTS

Column 5 of A262332.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 22*a(n-1) +215*a(n-2) -4730*a(n-3) -14143*a(n-4) +311146*a(n-5) +364285*a(n-6) -8014270*a(n-7) -3615956*a(n-8) +79551032*a(n-9) +9486400*a(n-10) -208700800*a(n-11)

EXAMPLE

Some solutions for n=4

..0..0..1..1..0..0....1..0..0..1..0..0....1..0..0..1..1..1....0..1..1..1..1..0

..1..1..1..1..1..1....0..0..1..1..0..0....0..0..0..1..1..0....1..1..0..1..1..0

..1..0..0..1..1..1....1..0..1..0..1..0....0..0..1..0..0..1....1..0..1..0..1..0

..0..0..1..1..1..1....0..1..1..1..1..0....1..0..1..0..1..0....1..1..0..0..1..1

..0..1..1..0..1..1....1..1..1..1..0..0....0..0..0..0..1..1....1..1..1..0..0..1

CROSSREFS

Cf. A262332.

Sequence in context: A272378 A026909 A262914 * A264852 A044273 A044654

Adjacent sequences: A262326 A262327 A262328 * A262330 A262331 A262332

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 18 2015

STATUS

approved