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 0,2 or 1,0.

A264207

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 0,2 or 1,0.

Terms

    a(0) =4a(1) =18a(2) =9a(3) =81a(4) =96a(5) =25a(6) =288a(7) =1024a(8) =605a(9) =64a(10) =1024a(11) =7328a(12) =14641a(13) =3600a(14) =169a(15) =3872a(16) =52441a(17) =223245a(18) =202500a(19) =21853a(20) =441a(21) =14641a(22) =422505a(23) =3404025a(24) =6444000a(25) =2825761a(26) =131712a(27) =1156a(28) =54450a(29) =3404025

External references