A279465 - OEIS

A279465

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

%I #4 Dec 12 2016 15:19:57

%S 15,658,26670,1079792,41706415,1529974962,54755104784,1926654903560,

%T 66854006751350,2293311539588776,77940818083281196,

%U 2628632829003297482,88079138411703964163,2934932008298081335876,97326119686256417416192

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

%C Column 7 of A279466.

%H R. H. Hardin, <a href="/A279465/b279465.txt">Table of n, a(n) for n = 1..103</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A279466.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 12 2016