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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.

A325767 Heinz numbers of integer partitions covering an initial interval of positive integers and containing their own multiset of multiplicities (as a submultiset).

Table of values

n a(n)
1 1
2 2
3 12
4 18
5 36
6 60
7 120
8 180
9 360
10 450
11 540
12 600
13 840
14 1260
15 1350
16 1500
17 1680
18 1800
19 2250
20 2520
21 2700
22 3000
23 3780
24 4200
25 4500
26 5040
27 5400
28 5880
29 6750
30 8400
31 9000
32 10500
33 11340
34 11760
35 12600
36 13500
37 15120
38 17640
39 18480
40 18900
41 20580
42 21000
43 22680
44 25200

List of values

[1, 2, 12, 18, 36, 60, 120, 180, 360, 450, 540, 600, 840, 1260, 1350, 1500, 1680, 1800, 2250, 2520, 2700, 3000, 3780, 4200, 4500, 5040, 5400, 5880, 6750, 8400, 9000, 10500, 11340, 11760, 12600, 13500, 15120, 17640, 18480, 18900, 20580, 21000, 22680, 25200]