Number of chains in the poset of permutations of [n].
A375836
Number of chains in the poset of permutations of [n].
Terms
- a(0) =1a(1) =1a(2) =3a(3) =17a(4) =165a(5) =2539a(6) =57597a(7) =1813797a(8) =75733683a(9) =4048845673a(10) =269701306809
External references
- oeis: A375836