%I
%S 81,1097,23675,1287919,128004881,32223974061,13954220420440,
%T 15244019769376849,29037002912540214181
%N Number of (n+1)X(n+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal
%C Diagonal of A236789
%e Some solutions for n=3
%e ..1..2..2..2....1..2..0..1....0..1..1..1....0..1..0..1....0..1..0..1
%e ..2..1..1..1....2..1..1..2....0..2..1..1....1..1..1..1....1..1..1..2
%e ..1..2..0..2....0..1..0..1....0..1..1..1....1..0..2..2....2..0..2..1
%e ..0..1..1..1....1..2..1..1....0..1..2..1....1..2..0..0....1..1..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 31 2014
