Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 2,-1 1,0 2,1 0,-1 -2,-2 or -1,0.

A264494

Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 2,-1 1,0 2,1 0,-1 -2,-2 or -1,0.

Terms

    a(0) =52a(1) =324a(2) =9714a(3) =142352a(4) =2517024a(5) =42169152a(6) =714303376a(7) =12077450784a(8) =204161943712

External references