T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three.

A256735

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three.

Terms

    a(0) =384a(1) =2304a(2) =2304a(3) =13056a(4) =21904a(5) =13056a(6) =73984a(7) =186624a(8) =186624a(9) =73984a(10) =413440a(11) =1648656a(12) =2267136a(13) =1648656a(14) =413440a(15) =2310400a(16) =14137600a(17) =30294016a(18) =30294016a(19) =14137600a(20) =2310400a(21) =12865280a(22) =122323600a(23) =388595712a(24) =635846656a(25) =388595712

External references