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 1,1 2,2 -1,0 or 0,-1.

A264655

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 1,1 2,2 -1,0 or 0,-1.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =0a(4) =2a(5) =0a(6) =0a(7) =4a(8) =4a(9) =0a(10) =1a(11) =9a(12) =4a(13) =9a(14) =1a(15) =0a(16) =18a(17) =22a(18) =22a(19) =18a(20) =0a(21) =0a(22) =41a(23) =65a(24) =112a(25) =65a(26) =41a(27) =0a(28) =1a(29) =84

External references