A262914 Number of (n+1)X(5+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.

1, 22, 99, 853, 18190, 152587, 2045269, 42299374, 727767387, 13958567845, 286835405806, 5764350599731, 117817168320181, 2437382604831502, 50489841095677539, 1050381458044863253, 21936143744564786830

Offset: 1

Author

R. H. Hardin, Oct 04 2015

Keywords

• nonn

Comments

Column 5 of A262917.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210

Crossrefs

Cf. A262917.