T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.

A186536

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.

Terms

    a(0) =81a(1) =554a(2) =554a(3) =4020a(4) =8410a(5) =4020a(6) =28522a(7) =129762a(8) =129762a(9) =28522a(10) =203346a(11) =2004390a(12) =4456218a(13) =2004390a(14) =203346a(15) =1448300a(16) =30642746a(17) =150041994a(18) =150041994a(19) =30642746a(20) =1448300a(21) =10317234a(22) =471337960a(23) =5043895240a(24) =11180777496a(25) =5043895240a(26) =471337960

External references