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A358781
Number of multiset partitions of [1,1,1,1,2,2,2,2,...,n,n,n,n] into nonempty multisets.
2
1, 5, 109, 6721, 911838, 231575143, 99003074679, 66106443797808, 65197274052335504, 90954424202936106523, 173398227073956386079670, 439196881673194611574668282, 1443741072199958276777413001395
OFFSET
0,2
COMMENTS
Generalization of Bell numbers to multiset partitions with m instances each of n different elements, here m=4.
REFERENCES
F. Harary and E. Palmer, Graphical Enumeration, Academic Press, 1973.
CROSSREFS
Row n=4 of A219727.
Sequence in context: A012091 A322896 A296743 * A188457 A245106 A244004
KEYWORD
nonn
AUTHOR
Marko Riedel, Nov 29 2022
STATUS
approved