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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.

A104012 Indices of centered dodecahedral numbers (A005904) which are semiprimes (A001358).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 11
7 14
8 15
9 21
10 26
11 30
12 35
13 36
14 44
15 54
16 63
17 69
18 74
19 81
20 114
21 128
22 131
23 135
24 138
25 153
26 165
27 168
28 191
29 194
30 209
31 216
32 224
33 228
34 231
35 239
36 261
37 270
38 303
39 315
40 321
41 323
42 326
43 330
44 336
45 345
46 363
47 380
48 384
49 398
50 404
51 410
52 411
53 414
54 429
55 440
56 443
57 455
58 468
59 470

List of values

[1, 2, 3, 5, 6, 11, 14, 15, 21, 26, 30, 35, 36, 44, 54, 63, 69, 74, 81, 114, 128, 131, 135, 138, 153, 165, 168, 191, 194, 209, 216, 224, 228, 231, 239, 261, 270, 303, 315, 321, 323, 326, 330, 336, 345, 363, 380, 384, 398, 404, 410, 411, 414, 429, 440, 443, 455, 468, 470]

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

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