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A279803 Number of nX4 0..2 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. 1

%I

%S 4,196,19376,1476500,110514378,8028037200,573336320344,40364489132724,

%T 2810020691400808,193831137138886892,13268230089583775030,

%U 902385132437593702794,61032878082356786970528,4108195708114892413443354

%N Number of nX4 0..2 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 4 of A279805.

%H R. H. Hardin, <a href="/A279803/b279803.txt">Table of n, a(n) for n = 1..89</a>

%e Some solutions for n=3

%e ..0..1..0..1. .0..0..1..0. .0..1..0..2. .0..1..1..1. .0..1..0..1

%e ..0..1..2..0. .2..2..0..1. .2..2..1..1. .0..0..2..1. .2..0..2..1

%e ..0..0..2..1. .2..0..1..0. .2..0..1..2. .1..0..1..0. .2..2..0..1

%Y Cf. A279805.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2016

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Last modified September 24 15:40 EDT 2021. Contains 347643 sequences. (Running on oeis4.)