%I #6 Apr 21 2020 12:42:39
%S 1,14,192,3088,87924,5038428,512150588,96851464412,34421374000200,
%T 22305044857494304,26793208475912331160,59563800755983637416156,
%U 244126929061976907515769752
%N Number of n X n 0..2 arrays with no element equal to any value at offset (0,-2), (-1,-2) or (-2,-1) and new values introduced in order 0..2.
%C Diagonal of A275090.
%e Some solutions for n=4
%e ..0..0..1..2. .0..1..2..0. .0..1..1..0. .0..1..1..0. .0..1..2..0
%e ..0..0..1..1. .0..2..1..0. .0..2..1..0. .2..1..1..0. .1..1..2..2
%e ..0..1..1..2. .1..1..2..0. .0..1..2..0. .1..1..0..0. .1..2..2..0
%e ..1..1..2..0. .2..2..0..0. .0..1..1..2. .0..1..2..0. .0..2..2..1
%Y Cf. A275090.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jul 16 2016
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