Number of endofunctions f on [n] such that f^10(i) = f(i) for all i in [n].
A245506
Number of endofunctions f on [n] such that f^10(i) = f(i) for all i in [n].
Terms
- a(0) =1a(1) =1a(2) =3a(3) =12a(4) =73a(5) =556a(6) =4737a(7) =44122a(8) =453441a(9) =5226984a(10) =69703201a(11) =1132247854a(12) =22865062497a(13) =541274154604
External references
- oeis: A245506