A262270 - OEIS

%I #4 Sep 17 2015 08:19:49

%S 13,169,585,3253,37061,467065,4403641,49793329,628659565,8114855785,

%T 100698388425,1284102518917,16612868083733,215733029771449,

%U 2784755393197465,36096259647083761,468882349083176077

%N Number of (n+2)X(4+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.

%C Column 4 of A262274.

%H R. H. Hardin, <a href="/A262270/b262270.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A262274.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 17 2015