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.

A279740 Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

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%I A279740 #4 Dec 18 2016 07:43:57
%S A279740 15,84,1887,42494,927615,19743140,413326300,8539248826,174560480712,
%T A279740 3537506044402,71169030410069,1423001109534686,28301960051430033,
%U A279740 560308589581483944,11048008697742462541,217065217267795946642
%N A279740 Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
%C A279740 Column 7 of A279741.
%H A279740 R. H. Hardin, <a href="/A279740/b279740.txt">Table of n, a(n) for n = 1..183</a>
%e A279740 Some solutions for n=4
%e A279740 ..0..1..1..0..0..1..0. .0..1..1..0..1..0..1. .0..1..0..1..0..1..0
%e A279740 ..0..0..1..1..1..1..0. .0..0..1..1..0..1..0. .0..0..1..0..0..1..0
%e A279740 ..1..0..0..1..0..1..1. .1..0..0..0..1..1..1. .1..0..1..0..1..1..0
%e A279740 ..1..1..0..1..0..0..1. .0..1..1..0..0..0..1. .1..0..1..0..1..1..0
%Y A279740 Cf. A279741.
%K A279740 nonn
%O A279740 1,1
%A A279740 _R. H. Hardin_, Dec 18 2016