A263798 - OEIS

A263798

Number of (n+1)X(7+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, and rows and columns lexicographically nonincreasing

5, 5, 25, 56, 494, 4991, 62904, 760671, 8468941, 90476206, 850301770, 7703098612, 62160939006, 482749236704, 3416830587073, 23238401292501, 146883022822593, 892090634118666, 5108443008090443, 28144017611172958, 147708619212786406

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A263799

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..76

EXAMPLE

Some solutions for n=5

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

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

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