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

A264059

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

Terms

    a(0) =1a(1) =2a(2) =1a(3) =4a(4) =8a(5) =1a(6) =8a(7) =64a(8) =18a(9) =1a(10) =16a(11) =216a(12) =324a(13) =45a(14) =1a(15) =32a(16) =729a(17) =2592a(18) =2025a(19) =125a(20) =1a(21) =64a(22) =3375a(23) =20736a(24) =32400a(25) =15625a(26) =320a(27) =1a(28) =128a(29) =15625

External references