cp's OEIS Frontend

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.

A325513 Heinz number of the integer partition whose parts are the multiplicities in the multiset union of all strict integer partitions of n.

Table of values

n a(n)
0 1
1 2
2 2
3 8
4 8
5 32
6 144
7 432
8 2160
9 27000
10 582120
11 7623000
12 336936600
13 6740402760
14 543454231320
15 57619849046760
16 4683793138766280
17 412882704970215480
18 88171665744392750520
19 12780536107937124847320
20 2685589660883755945879560
21 942036670625665177379096280

List of values

[1, 2, 2, 8, 8, 32, 144, 432, 2160, 27000, 582120, 7623000, 336936600, 6740402760, 543454231320, 57619849046760, 4683793138766280, 412882704970215480, 88171665744392750520, 12780536107937124847320, 2685589660883755945879560, 942036670625665177379096280]