Number of permutations of n copies of 1..8 introduced in order 1..8 with no element equal to another within a distance of 3.

A190934

Number of permutations of n copies of 1..8 introduced in order 1..8 with no element equal to another within a distance of 3.

Terms

    a(0) =1a(1) =69862a(2) =8448460856

External references