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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.

A325186 Heinz numbers of integer partitions whose Young diagram has last part of its origin-to-boundary partition equal to 2.

Table of values

n a(n)
1 3
2 4
3 15
4 18
5 21
6 25
7 27
8 33
9 36
10 39
11 51
12 57
13 69
14 72
15 87
16 93
17 105
18 111
19 123
20 129
21 141
22 144
23 147
24 150
25 159
26 165
27 175
28 177
29 183
30 195
31 201
32 213
33 219
34 225
35 231
36 237
37 245
38 249
39 250
40 255
41 267
42 273
43 275
44 285
45 288
46 291
47 300
48 303
49 309
50 321
51 325
52 327
53 339
54 343
55 345
56 357

List of values

[3, 4, 15, 18, 21, 25, 27, 33, 36, 39, 51, 57, 69, 72, 87, 93, 105, 111, 123, 129, 141, 144, 147, 150, 159, 165, 175, 177, 183, 195, 201, 213, 219, 225, 231, 237, 245, 249, 250, 255, 267, 273, 275, 285, 288, 291, 300, 303, 309, 321, 325, 327, 339, 343, 345, 357]

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

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