Number of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value of eight.

A316395

Number of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value of eight.

Terms

    a(0) =1a(1) =8a(2) =1040a(3) =9468a(4) =507355a(5) =5313447a(6) =214378961a(7) =2571977379a(8) =92953037066

External references