cp's OEIS Frontend

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.

A365411 Numbers k such that 4*k-1 and 4*k+1 are both prime powers (A246655).

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 7
6 12
7 15
8 18
9 20
10 27
11 42
12 45
13 48
14 57
15 60
16 78
17 87
18 90
19 105
20 108
21 150
22 165
23 182
24 207
25 210
26 255
27 258
28 273
29 288
30 330
31 342
32 357
33 363
34 372
35 402
36 405
37 417
38 447
39 462
40 468
41 483
42 507
43 522
44 528
45 552
46 567
47 585
48 600
49 648
50 672
51 678
52 750
53 780
54 792
55 813
56 825
57 840
58 843

List of values

[1, 2, 3, 6, 7, 12, 15, 18, 20, 27, 42, 45, 48, 57, 60, 78, 87, 90, 105, 108, 150, 165, 182, 207, 210, 255, 258, 273, 288, 330, 342, 357, 363, 372, 402, 405, 417, 447, 462, 468, 483, 507, 522, 528, 552, 567, 585, 600, 648, 672, 678, 750, 780, 792, 813, 825, 840, 843]

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

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