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

A264171

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

Terms

    a(0) =69a(1) =8007a(2) =408698a(3) =23916656a(4) =1432853288a(5) =83609564805

External references