Triangle of functions in a size n set for which the sequence of composition powers starts with a length k stem (index) before entering a cycle (period).
A225540
Triangle of functions in a size n set for which the sequence of composition powers starts with a length k stem (index) before entering a cycle (period).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =21a(4) =6a(5) =148a(6) =84a(7) =24a(8) =1305a(9) =1160a(10) =540a(11) =120a(12) =13806a(13) =17610a(14) =10560a(15) =3960a(16) =720a(17) =170401a(18) =296772a(19) =214410a(20) =104160a(21) =32760a(22) =5040a(23) =2403640a(24) =5536440a(25) =4692576a(26) =2686320a(27) =1115520a(28) =302400a(29) =40320
External references
- oeis: A225540