Number of connected subgroups of the symmetric group S_n.
A116655
Number of connected subgroups of the symmetric group S_n.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =12a(5) =30a(6) =639a(7) =1835a(8) =64601a(9) =369518a(10) =12351620a(11) =78569754a(12) =5477440592a(13) =35108337731
External references
- oeis: A116655