Number of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value of ten.
A320984
Number of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value of ten.
Terms
- a(0) =0a(1) =1a(2) =11a(3) =8220a(4) =98827a(5) =14052474a(6) =185726938a(7) =15068990276a(8) =219771532102
External references
- oeis: A320984