Number of permutations of n copies of 1..5 with all adjacent differences <= 3 in absolute value.

A177326

Number of permutations of n copies of 1..5 with all adjacent differences <= 3 in absolute value.

Terms

    a(0) =1a(1) =72a(2) =41580a(3) =37850400a(4) =42251309100

External references