Number of entries in the second cycles of all permutations of [n] when cycles are ordered by increasing lengths.
A332906
Number of entries in the second cycles of all permutations of [n] when cycles are ordered by increasing lengths.
Terms
- a(0) =1a(1) =7a(2) =37a(3) =241a(4) =1661a(5) =13301a(6) =117209a(7) =1150297a(8) =12314329a(9) =144593989a(10) =1828734689a(11) =24995387561a(12) =365311053953
External references
- oeis: A332906