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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.

A108492 Sum of NumberOfParts!/NumberOfDifferentParts! for all integer partitions of n.

Table of values

n a(n)
0 1
1 1
2 3
3 8
4 31
5 141
6 819
7 5562
8 43773
9 389203
10 3858136
11 42152116
12 503098359
13 6511429138
14 90824834615
15 1358130449902
16 21672033893102
17 367570633594883
18 6602838664294634
19 125228962373218571
20 2500582942246200527
21 52437202425839368049
22 1152133477802718430790

List of values

[1, 1, 3, 8, 31, 141, 819, 5562, 43773, 389203, 3858136, 42152116, 503098359, 6511429138, 90824834615, 1358130449902, 21672033893102, 367570633594883, 6602838664294634, 125228962373218571, 2500582942246200527, 52437202425839368049, 1152133477802718430790]

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

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