T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,1 1,0 2,1 or -1,-1.

A264476

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,1 1,0 2,1 or -1,-1.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =0a(4) =2a(5) =0a(6) =0a(7) =4a(8) =4a(9) =1a(10) =1a(11) =8a(12) =6a(13) =8a(14) =1a(15) =0a(16) =17a(17) =16a(18) =16a(19) =16a(20) =1a(21) =0a(22) =36a(23) =57a(24) =120a(25) =49a(26) =32a(27) =2a(28) =1a(29) =76

External references