A263037 - OEIS

A263037

Number of (n+2)X(5+2) 0..1 arrays with each row and column not divisible by 5, read as a binary number with top and left being the most significant bits.

%I #4 Oct 08 2015 07:55:06

%S 142344,14394128,1961083623,229943416429,23445293636576,

%T 2390537108662112,248073875762917543,25521562144224919147,

%U 2603135875758705134760,265513148026613622508592,27111512145791650824811167

%N Number of (n+2)X(5+2) 0..1 arrays with each row and column not divisible by 5, read as a binary number with top and left being the most significant bits.

%C Column 5 of A263040.

%H R. H. Hardin, <a href="/A263037/b263037.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..1..0..0..0..0....0..0..0..0..1..1..0....1..0..0..1..1..1..1

%e ..1..1..0..1..1..1..1....1..1..0..0..1..1..1....0..1..0..1..1..1..1

%e ..1..1..0..1..1..0..0....1..1..1..1..0..1..0....0..1..1..0..0..1..1

%Y Cf. A263040.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 08 2015