The number of functions in a finite set for which the sequence of composition powers ends in a length 3 cycle.
A163952
The number of functions in a finite set for which the sequence of composition powers ends in a length 3 cycle.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =2a(4) =32a(5) =480a(6) =7880a(7) =145320a(8) =3009888a(9) =69554240a(10) =1779185360a(11) =49995179520
External references
- oeis: A163952