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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.

A103946 Indices of icosahedral numbers (A006564) which are semiprimes.

Table of values

n a(n)
1 37
2 61
3 157
4 193
5 229
6 313
7 373
8 397
9 409
10 433
11 457
12 601
13 613
14 673
15 877
16 997
17 1009
18 1321
19 1429
20 1453
21 1489
22 1549
23 1657
24 1741
25 1777
26 1861
27 2017
28 2293
29 2377
30 2557
31 2677
32 2689
33 2713
34 2749
35 2797
36 2857
37 2917
38 2953
39 3109
40 3169
41 3181
42 3361
43 3433
44 3517
45 4021

List of values

[37, 61, 157, 193, 229, 313, 373, 397, 409, 433, 457, 601, 613, 673, 877, 997, 1009, 1321, 1429, 1453, 1489, 1549, 1657, 1741, 1777, 1861, 2017, 2293, 2377, 2557, 2677, 2689, 2713, 2749, 2797, 2857, 2917, 2953, 3109, 3169, 3181, 3361, 3433, 3517, 4021]

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

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