Number of permutations of n copies of 1..6 introduced in order 1..6 with no element equal to another within a distance of 1.
A190923
Number of permutations of n copies of 1..6 introduced in order 1..6 with no element equal to another within a distance of 1.
Terms
- a(0) =1a(1) =3655a(2) =22831355a(3) =182502973885
External references
- oeis: A190923