Number of permutations of [n*(n+1)/2] with distinct lengths of increasing runs.
A317165
Number of permutations of [n*(n+1)/2] with distinct lengths of increasing runs.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =241a(4) =188743a(5) =2734858573
External references
- oeis: A317165