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A279532 Number of nX4 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1

%I #4 Dec 14 2016 10:24:13

%S 3,222,21430,1585524,102868091,6167352480,349780411336,19062177795838,

%T 1007616539609274,51997487569586344,2631612786536215243,

%U 131063643235639546758,6439858597414624470206,312802056435357403343004

%N Number of nX4 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

%C Column 4 of A279534.

%H R. H. Hardin, <a href="/A279532/b279532.txt">Table of n, a(n) for n = 1..65</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A279534.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 14 2016

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Last modified April 24 08:09 EDT 2024. Contains 371922 sequences. (Running on oeis4.)