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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.

A128301 Indices of squares (of primes) in the semiprimes.

Table of values

n a(n)
1 1
2 3
3 9
4 17
5 40
6 56
7 90
8 114
9 164
10 253
11 289
12 404
13 484
14 533
15 634
16 783
17 973
18 1031
19 1233
20 1373
21 1452
22 1683
23 1842
24 2112
25 2483
26 2676
27 2779
28 2995
29 3108
30 3320
31 4124
32 4384
33 4775
34 4926
35 5593
36 5741
37 6172
38 6644
39 6962
40 7448
41 7955
42 8108
43 8978
44 9147
45 9512
46 9697
47 10842

List of values

[1, 3, 9, 17, 40, 56, 90, 114, 164, 253, 289, 404, 484, 533, 634, 783, 973, 1031, 1233, 1373, 1452, 1683, 1842, 2112, 2483, 2676, 2779, 2995, 3108, 3320, 4124, 4384, 4775, 4926, 5593, 5741, 6172, 6644, 6962, 7448, 7955, 8108, 8978, 9147, 9512, 9697, 10842]