A262273 Number of (n+2)X(7+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits.

103, 10609, 129481, 4403641, 411861253, 41261408089, 3605017226155, 349760937840517, 35889961902343951, 3691924453378494385, 377481144200284897993, 38754821017971389203489, 3991173847744285567358317

Offset: 1

Author

R. H. Hardin, Sep 17 2015

Keywords

• nonn

Comments

Column 7 of A262274.

Examples

			Some solutions for n=3
..1..1..0..1..0..1..0..0..1....0..0..0..0..0..1..0..1..0
..0..1..0..1..0..1..0..1..0....0..1..0..1..1..1..0..0..1
..1..1..1..0..1..0..0..0..1....0..0..1..0..1..1..0..1..0
..0..1..0..0..0..0..0..1..0....0..1..0..1..1..1..0..0..1
..0..0..1..1..1..1..0..0..0....0..0..1..0..1..0..0..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..18

Crossrefs

Cf. A262274.