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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.

A320806 Number of non-isomorphic multiset partitions of weight n in which each of the parts and each part of the dual, as well as both the multiset union of the parts and the multiset union of the dual parts, is an aperiodic multiset.

Table of values

n a(n)
0 1
1 1
2 1
3 4
4 10
5 39
6 81
7 343
8 903
9 3223
10 9989

List of values

[1, 1, 1, 4, 10, 39, 81, 343, 903, 3223, 9989]

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

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