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 1,0.

A264003

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 1,0.

Terms

    a(0) =4a(1) =18a(2) =9a(3) =81a(4) =99a(5) =25a(6) =288a(7) =1089a(8) =925a(9) =64a(10) =1024a(11) =8679a(12) =34225a(13) =7304a(14) =169a(15) =3872a(16) =69169a(17) =791245a(18) =833569a(19) =62101a(20) =441a(21) =14641a(22) =568343a(23) =18292729a(24) =50616720a(25) =22819729a(26) =516117a(27) =1156a(28) =54450a(29) =4669921

External references