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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.

A276045 Primes p such that d(p*(2p+1)) = 8 where d(n) is the number of divisors of n (A000005).

Table of values

n a(n)
1 7
2 13
3 17
4 19
5 43
6 47
7 59
8 61
9 71
10 79
11 101
12 107
13 109
14 149
15 151
16 163
17 167
18 197
19 223
20 257
21 263
22 271
23 311
24 317
25 347
26 349
27 353
28 383
29 389
30 401
31 421
32 439
33 449
34 461
35 479
36 503
37 521
38 523
39 557
40 569
41 599
42 601
43 613
44 631
45 673
46 677
47 691
48 701
49 811
50 821
51 827
52 839
53 853
54 863
55 881
56 919

List of values

[7, 13, 17, 19, 43, 47, 59, 61, 71, 79, 101, 107, 109, 149, 151, 163, 167, 197, 223, 257, 263, 271, 311, 317, 347, 349, 353, 383, 389, 401, 421, 439, 449, 461, 479, 503, 521, 523, 557, 569, 599, 601, 613, 631, 673, 677, 691, 701, 811, 821, 827, 839, 853, 863, 881, 919]

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

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