A262465 Number of (n+1) X (n+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, 3, 36, 457, 30229, 8080915, 15659602612

Offset: 1

Author

R. H. Hardin, Sep 23 2015

Keywords

• nonn
• changed

Comments

Diagonal of A262472.

Examples

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

Crossrefs

Cf. A262472.