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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.

A320809 Number of non-isomorphic multiset partitions of weight n in which each part and each part of the dual, as well as the multiset union of the parts, is an aperiodic multiset.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 13
5 40
6 99
7 344
8 985
9 3302
10 10583

List of values

[1, 1, 2, 5, 13, 40, 99, 344, 985, 3302, 10583]

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

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