Number of permutations of [n] having a shortest ascending run of length one.
A228614
Number of permutations of [n] having a shortest ascending run of length one.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =5a(4) =18a(5) =101a(6) =611a(7) =4452a(8) =36287a(9) =333395a(10) =3382758a(11) =37688597a(12) =456839351a(13) =5989023768a(14) =84421235807
External references
- oeis: A228614