T(n,k) = Number of (n+2) X (k+2) 0..3 arrays with no 2 X 2 subblock sum equal to any diagonal or antidiagonal neighbor 2 X 2 subblock sum.

A187676

T(n,k) = Number of (n+2) X (k+2) 0..3 arrays with no 2 X 2 subblock sum equal to any diagonal or antidiagonal neighbor 2 X 2 subblock sum.

Terms

    a(0) =192960a(1) =9136352a(2) =9136352a(3) =433713824a(4) =1292583020a(5) =433713824a(6) =20581985952a(7) =184351404608a(8) =184351404608a(9) =20581985952a(10) =976666568320a(14) =976666568320

External references