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%I #5 Jul 23 2025 06:01:49
%S 1326125056,5240912804416,33574153453830144,154252140168129506064,
%T 710017201978342133301504,3461877651419949227125424704,
%U 16690132808830965644625582032400,79884851260315122390231590624208400
%N Number of (n+3)X(7+3) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.
%C Column 7 of A230796
%e Some solutions for n=1
%e ..0..1..0..3..0..0..1..2..1..2....0..0..0..2..0..0..1..3..1..3
%e ..2..1..0..1..3..0..1..2..3..0....1..1..3..1..1..0..2..2..0..0
%e ..0..3..2..3..0..0..3..2..1..0....0..2..2..2..0..3..3..1..1..3
%e ..2..1..2..3..2..2..3..0..1..0....1..1..1..3..2..2..0..0..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 30 2013