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%I #6 Feb 22 2020 20:54:24
%S 12,2191,332285,54314298,8797534495,1427843505563,231638725420288,
%T 37582214286016391,6097402008530516671,989257097238735049744,
%U 160499289951117243179507,26039769955147853451399045
%N Number of nX4 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order
%C Column 4 of A205161
%H R. H. Hardin, <a href="/A205157/b205157.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..1..0....0..0..1..0....0..0..1..0....0..1..0..0....0..1..0..2
%e ..0..0..2..0....2..1..0..1....2..0..3..1....0..1..0..0....0..3..3..0
%e ..1..2..1..1....0..1..1..2....1..2..1..2....1..0..1..1....1..3..2..1
%e ..3..1..0..0....3..2..1..2....0..1..0..3....2..3..1..3....1..2..1..1
%e ..1..0..2..3....3..3..0..3....2..2..3..2....2..2..3..1....0..2..0..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 22 2012
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