T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock nonsingular.

A184652

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock nonsingular.

Terms

    a(0) =212898a(1) =11826498a(2) =11826498a(3) =657272274a(4) =2393686398a(5) =657272274a(6) =36516002466a(7) =484872198498a(8) =484872198498a(9) =36516002466

External references