Number of representations of the n-th factorial group as a (nondecreasing) product of (nontrivial) cyclic groups.
A226356
Number of representations of the n-th factorial group as a (nondecreasing) product of (nontrivial) cyclic groups.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =2a(4) =3a(5) =10a(6) =20a(7) =91a(8) =207a(9) =792a(10) =2589a(11) =17749a(12) =52997
External references
- oeis: A226356