Number of distinct Abelian subgroups of the symmetric group S_n.
A062297
Number of distinct Abelian subgroups of the symmetric group S_n.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =21a(4) =87a(5) =612a(6) =3649a(7) =35515a(8) =289927a(9) =377118a(10) =36947363a(11) =657510251a(12) =7736272845
External references
- oeis: A062297