T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column.

A250443

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column.

Terms

    a(0) =81a(1) =324a(2) =324a(3) =1296a(4) =2160a(5) =1296a(6) =3600a(7) =14400a(8) =14400a(9) =3600a(10) =10000a(11) =60000a(12) =160000a(13) =60000a(14) =10000a(15) =22500a(16) =250000a(17) =1000000a(18) =1000000a(19) =250000a(20) =22500a(21) =50625a(22) =787500a(23) =6250000a(24) =8750000a(25) =6250000a(26) =787500a(27) =50625a(28) =99225a(29) =2480625

External references