The maximal number of partitions of {1..3n} that are invariant under a permutation consisting of n 3-cycles, and which have the same number of nonempty parts.
A294202
The maximal number of partitions of {1..3n} that are invariant under a permutation consisting of n 3-cycles, and which have the same number of nonempty parts.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =12a(4) =67a(5) =465a(6) =3675a(7) =30024a(8) =299250a(9) =3417690a(10) =38983966a(11) =446295630a(12) =6494597538a(13) =95113861987
External references
- oeis: A294202