Number of permutations p of [n] such that 0p has a nonincreasing up-jump sequence.
A288911
Number of permutations p of [n] such that 0p has a nonincreasing up-jump sequence.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =19a(5) =80a(6) =416a(7) =2306a(8) =14588a(9) =98053a(10) =724183a(11) =5633793a(12) =47416901a(13) =417050215a(14) =3914152702a(15) =38288228393a(16) =395496623939
External references
- oeis: A288911