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

%I #4 Oct 02 2015 08:17:34

%S 0,10404,269638,15883746,1628730346,167631328804,15936245844840,

%T 1570685792667744,160228307396623224,16345525332011589588,

%U 1660067844960366953830,168963789064138174659546

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

%C Row 5 of A262795.

%H R. H. Hardin, <a href="/A262800/b262800.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

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

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

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

%Y Cf. A262795.

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 02 2015