Number of permutations of [n] with equal lengths of increasing runs.
A317329
Number of permutations of [n] with equal lengths of increasing runs.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =7a(4) =2a(5) =82a(6) =2a(7) =1456a(8) =1515a(9) =50774a(10) =2a(11) =3052874a(12) =2a(13) =199364414a(14) =136835794a(15) =19451901825a(16) =2a(18) =2a(22) =2
External references
- oeis: A317329