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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A262854 Number of (5+2)X(n+2) 0..1 arrays with each row divisible by 7 and column not divisible by 7, read as a binary number with top and left being the most significant bits.

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%I A262854 #3 Oct 03 2015 16:14:38
%S A262854 109,1264,31512,3896365,290338650,26232879096,2864161217701,
%T A262854 297481646988280
%N A262854 Number of (5+2)X(n+2) 0..1 arrays with each row divisible by 7 and column not divisible by 7, read as a binary number with top and left being the most significant bits.
%C A262854 Row 5 of A262849.
%e A262854 Some solutions for n=3
%e A262854 ..1..0..1..0..1....1..0..1..0..1....1..1..1..0..0....0..0..1..1..1
%e A262854 ..0..0..0..0..0....0..1..1..1..0....1..0..1..0..1....0..0..0..0..0
%e A262854 ..1..1..1..0..0....1..0..1..0..1....0..1..1..1..0....1..1..1..0..0
%e A262854 ..1..1..1..0..0....1..0..1..0..1....1..0..1..0..1....1..1..1..0..0
%e A262854 ..0..1..1..1..0....1..1..1..0..0....1..0..1..0..1....1..1..1..0..0
%e A262854 ..0..0..0..0..0....1..0..1..0..1....1..0..1..0..1....0..0..0..0..0
%e A262854 ..1..1..1..0..0....1..1..1..0..0....1..1..1..0..0....1..1..1..0..0
%Y A262854 Cf. A262849.
%K A262854 nonn
%O A262854 1,1
%A A262854 _R. H. Hardin_, Oct 03 2015

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