cp's OEIS Frontend

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.

A277766 Number of nX7 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.

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%I A277766 #4 Oct 29 2016 07:29:46
%S A277766 0,1584,220549,221983169,110036582827,67079817376928,
%T A277766 38224184451654485,22257182633194608078,12869705874813306766481,
%U A277766 7458446559929491293690613,4319259920844964071189461906,2501924582698962860252708115060
%N A277766 Number of nX7 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.
%C A277766 Column 7 of A277767.
%H A277766 R. H. Hardin, <a href="/A277766/b277766.txt">Table of n, a(n) for n = 1..17</a>
%e A277766 Some solutions for n=2
%e A277766 ..0..1..2..0..1..2..0. .0..1..2..2..0..1..2. .0..1..2..0..2..1..0
%e A277766 ..2..1..2..0..1..0..1. .2..1..0..1..0..1..0. .2..2..0..1..0..2..2
%Y A277766 Cf. A277767.
%K A277766 nonn
%O A277766 1,2
%A A277766 _R. H. Hardin_, Oct 29 2016