Triangle read by rows: T(n,k) is the number of labeled cyclic subgroups of order k in the alternating group A_n, 1 <= k <= A051593(n).
A303728
Triangle read by rows: T(n,k) is the number of labeled cyclic subgroups of order k in the alternating group A_n, 1 <= k <= A051593(n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =0a(4) =1a(5) =1a(6) =3a(7) =4a(8) =1a(9) =15a(10) =10a(11) =0a(12) =6a(13) =1a(14) =45a(15) =40a(16) =45a(17) =36a(18) =1a(19) =105a(20) =175a(21) =315a(22) =126a(23) =105a(24) =120a(25) =1a(26) =315a(27) =616a(28) =1890a(29) =336
External references
- oeis: A303728