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.

A280068 Number of nX7 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

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%I A280068 #4 Dec 25 2016 06:41:02
%S A280068 8,41,281,2157,17468,145485,1188839,9934415,83159859,698377561,
%T A280068 5887978374,49721599049,420447933252,3558743911515,30138816610398,
%U A280068 255354080222866,2164080579680386,18343719103540772,155508281837894034
%N A280068 Number of nX7 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
%C A280068 Column 7 of A280069.
%H A280068 R. H. Hardin, <a href="/A280068/b280068.txt">Table of n, a(n) for n = 1..210</a>
%e A280068 Some solutions for n=4
%e A280068 ..0..0..0..0..0..0..1. .0..0..1..1..0..1..1. .0..0..0..0..0..0..0
%e A280068 ..0..0..0..0..0..1..1. .0..0..1..0..0..1..1. .0..0..0..0..0..0..0
%e A280068 ..0..0..0..1..1..1..0. .0..1..1..0..0..0..0. .0..0..0..1..1..0..0
%e A280068 ..0..0..1..1..1..0..0. .1..1..0..0..0..0..0. .0..0..1..1..1..0..0
%Y A280068 Cf. A280069.
%K A280068 nonn
%O A280068 1,1
%A A280068 _R. H. Hardin_, Dec 25 2016