T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum.

A258689

T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum.

Terms

    a(0) =41728a(1) =386304a(2) =386304a(3) =3512272a(4) =5392960a(5) =3512272a(6) =27566112a(7) =58713912a(8) =58713912a(9) =27566112a(10) =202381312a(11) =479373352a(12) =730627431a(13) =479373352a(14) =202381312a(15) =1439941888a(16) =4020536064a(17) =5979059398a(18) =5979059398a(19) =4020536064a(20) =1439941888a(21) =9687764256

External references