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.

A264064

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) =832a(2) =692224a(3) =74880000a(4) =8100000000

External references