Number of distinct orders of permutations of n objects; number of nonisomorphic cyclic subgroups of symmetric group S_n.
A009490
Number of distinct orders of permutations of n objects; number of nonisomorphic cyclic subgroups of symmetric group S_n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =6a(7) =9a(8) =11a(9) =14a(10) =16a(11) =20a(12) =23a(13) =27a(14) =31a(15) =35a(16) =43a(17) =47a(18) =55a(19) =61a(20) =70a(21) =78a(22) =88a(23) =98a(24) =111a(25) =123a(26) =136a(27) =152a(28) =168a(29) =187
External references
- oeis: A009490