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

A264506

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =2a(5) =3a(6) =6a(7) =14a(8) =4a(9) =4a(10) =12a(11) =38a(12) =46a(13) =8a(14) =6a(15) =24a(16) =137a(17) =211a(18) =149a(19) =16a(20) =9a(21) =46a(22) =432a(23) =1235a(24) =1224a(25) =524a(26) =32a(27) =13a(28) =91a(29) =1417

External references