336142

Appears in sequences

• a(n) = 6*binomial(n,4) + 3*binomial(n,3) + 4*binomial(n,2) - n + 2.at n=34A066375
• The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {2,3,4,5} for all i from 1 to n-1.at n=12A174705