Number of permutations of [n] with five ordered cycles such that equal-sized cycles are ordered with increasing least elements.
A285856
Number of permutations of [n] with five ordered cycles such that equal-sized cycles are ordered with increasing least elements.
Terms
- a(0) =1a(1) =75a(2) =1400a(3) =28700a(4) =431445a(5) =6061545a(6) =101969450a(7) =1511771250a(8) =24207257360a(9) =398261143280
External references
- oeis: A285856