Number of endofunctions f on [n] such that f^9(i) = f(i) for all i in [n].
A245505
Number of endofunctions f on [n] such that f^9(i) = f(i) for all i in [n].
Terms
- a(0) =1a(1) =1a(2) =4a(3) =19a(4) =116a(5) =901a(6) =8422a(7) =89755a(8) =1066088a(9) =14154409a(10) =212952266a(11) =3646226959a(12) =69912304156
External references
- oeis: A245505