A262820 Number of (1+3)X(n+3) 0..1 arrays with each row divisible by 9 and column not divisible by 9, read as a binary number with top and left being the most significant bits.

0, 0, 2744, 21610, 234096, 3103450, 43563108, 617554352, 8776056648, 121679222354, 1695215156348, 23701894089472, 331858416865360, 4647495627474864, 65083961876291512, 910998629244209610

Offset

1,3

Comments

Row 1 of A262819.

Links

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

Example

Some solutions for n=4
..0..1..0..0..1..0..0....0..0..0..0..0..0..0....1..1..0..0..0..1..1
..0..1..1..1..1..1..1....0..1..1..1..1..1..1....1..1..0..1..1..0..0
..1..0..0..1..0..0..0....0..0..1..1..0..1..1....0..0..1..1..0..1..1
..0..0..1..1..0..1..1....1..1..0..1..1..0..0....1..0..0..1..0..0..0

Crossrefs

Cf. A262819.

Sequence in context: A262819 A094497 A202460 * A262817 A250821 A250498

Adjacent sequences: A262817 A262818 A262819 * A262821 A262822 A262823

Keyword

nonn

Author

R. H. Hardin, Oct 03 2015

Status

approved