Number of permutations of n copies of 1..8 introduced in order 1..8 with no element equal to another within a distance of 2.
A190933
Number of permutations of n copies of 1..8 introduced in order 1..8 with no element equal to another within a distance of 2.
Terms
- a(0) =1a(1) =237135a(2) =113320421342
External references
- oeis: A190933