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%I #5 Feb 22 2020 20:54:24
%S 224,301056,41618941,8202482914,1519010368414,284567725886961
%N Number of nX7 0..2 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order
%C Column 7 of A204978
%e Some solutions for n=5
%e ..0..0..1..1..2..0..0....0..0..1..1..2..0..1....0..0..1..0..2..1..1
%e ..2..1..1..0..1..0..0....1..2..1..2..1..0..1....1..2..1..1..2..1..1
%e ..2..2..0..1..1..2..1....0..2..0..0..1..2..0....1..0..2..2..0..2..2
%e ..1..2..0..0..2..2..0....1..0..0..1..2..2..0....2..1..0..0..1..1..0
%e ..2..0..1..1..2..1..1....1..1..2..0..0..1..2....0..2..2..1..2..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 21 2012