Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,2 or 2,2.

A264022

Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,2 or 2,2.

Terms

    a(0) =1a(1) =610a(2) =372100a(3) =46131250a(4) =5719140625

External references