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 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. 1
 0, 0, 2744, 21610, 234096, 3103450, 43563108, 617554352, 8776056648, 121679222354, 1695215156348, 23701894089472, 331858416865360, 4647495627474864, 65083961876291512, 910998629244209610 (list; graph; refs; listen; history; text; internal format)
 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

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Last modified August 20 20:41 EDT 2018. Contains 313927 sequences. (Running on oeis4.)