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

A264217

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

Terms

    a(0) =4a(1) =17a(2) =9a(3) =56a(4) =96a(5) =25a(6) =172a(7) =623a(8) =596a(9) =64a(10) =561a(11) =3736a(12) =7949a(13) =3610a(14) =169a(15) =1826a(16) =24908a(17) =97332a(18) =97520a(19) =21997a(20) =441a(21) =5880a(22) =163505a(23) =1333336a(24) =2407816a(25) =1210573a(26) =133836a(27) =1156a(28) =18993a(29) =1056337

External references