A262921 Number of (7+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.

37, 145, 5797, 51769, 2045269, 33948145, 1282949605, 32134185721, 1167936430357, 36073199081665, 1296185238921637, 44004551333065849, 1586887190270675029, 56226197936849068945, 2042436589392526147045, 73857813970541521390201

Offset: 1

Author

R. H. Hardin, Oct 04 2015

Keywords

• nonn

Comments

Row 7 of A262917.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..104

Crossrefs

Cf. A262917.