The sequence A006863 (shifted by one) seems to be counting the periodic points for a map. If so, then this is the sequence of the numbers of orbits of length n.
A060334
The sequence A006863 (shifted by one) seems to be counting the periodic points for a map. If so, then this is the sequence of the numbers of orbits of length n.
Terms
- a(0) =24a(1) =108a(2) =160a(3) =60a(4) =48a(5) =10800a(6) =0a(7) =1980a(8) =3136a(9) =1272a(10) =48a(11) =5440a(12) =0a(13) =480a(14) =11408a(15) =1020a(16) =0a(17) =7671552a(18) =0a(19) =53448a(20) =7200a(21) =216a(22) =48a(23) =179520a(24) =0a(25) =480a(26) =2128a(27) =240a(28) =48a(29) =227138600
External references
- oeis: A060334