%I #7 Apr 26 2021 14:12:44
%S 73494218,110986523654,192072734086538,330651060182605074,
%T 561052248760733641430
%N Number of (n+1) X 9 0..2 arrays with no 2 X 2 subblock determinant equal to any horizontal or vertical neighbor 2 X 2 subblock determinant.
%C Column 8 of A186536.
%e Some solutions for 3 X 9
%e ..0..1..0..1..0..2..2..0..1....0..1..0..1..0..2..2..2..0
%e ..1..0..1..0..1..1..2..2..2....1..0..1..0..2..0..2..0..1
%e ..0..1..0..1..0..2..2..0..1....0..1..0..1..0..2..1..1..1
%Y Cf. A186536.
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 23 2011