Number of endofunctions f on [n] such that f^6(i) = f(i) for all i in [n].
A245502
Number of endofunctions f on [n] such that f^6(i) = f(i) for all i in [n].
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =41a(5) =220a(6) =1921a(7) =25474a(8) =384113a(9) =5785192a(10) =85295105a(11) =1244587246a(12) =18399553801a(13) =286188407116
External references
- oeis: A245502