Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having directed index change 0,1 0,-1 -2,0 or 1,1.

A264873

Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having directed index change 0,1 0,-1 -2,0 or 1,1.

Terms

    a(0) =1a(1) =0a(2) =5a(3) =12a(4) =3613a(5) =207424a(6) =68488297a(7) =47123513432

External references