A262471 Number of (n+1)X(7+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.

1, 86, 7396, 107731, 2924245, 194647694, 15659602612, 997197229531, 73403875498285, 5949800358307070, 491379103358093140, 40436885956386358531, 3371777492321746335493, 284471978025689266803566

Offset: 1

Author

R. H. Hardin, Sep 23 2015

Keywords

• nonn

Comments

Column 7 of A262472.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..57

Crossrefs

Cf. A262472.