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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A263921 Number of multisets of n permutations of [n] with the symmetric group acting on the permutation elements.

Table of values

n a(n)
0 1
1 1
2 2
3 10
4 762
5 1876255
6 274382326290
7 3265588553925722827
8 4299566944396584777543664576
9 828675148077536475804944305151462053905
10 30068353582978459601855528390398866877243129478172220

List of values

[1, 1, 2, 10, 762, 1876255, 274382326290, 3265588553925722827, 4299566944396584777543664576, 828675148077536475804944305151462053905, 30068353582978459601855528390398866877243129478172220]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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