Number of permutations of [n] with three ordered cycles such that equal-sized cycles are ordered with increasing least elements.
A285854
Number of permutations of [n] with three ordered cycles such that equal-sized cycles are ordered with increasing least elements.
Terms
- a(0) =1a(1) =18a(2) =105a(3) =1005a(4) =6762a(5) =61572a(6) =558548a(7) =5807700a(8) =62757288a(9) =777291768a(10) =9831740256a(11) =139111566048
External references
- oeis: A285854