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.

A364699 Numbers k such that 1 + 2^k + 3^k is divisible by 2*k-1.

Table of values

n a(n)
1 1
2 4
3 9
4 16
5 21
6 40
7 45
8 52
9 57
10 64
11 69
12 76
13 100
14 112
15 117
16 129
17 136
18 141
19 177
20 184
21 201
22 220
23 225
24 232
25 244
26 261
27 285
28 297
29 304
30 309
31 316
32 321
33 364
34 376
35 381
36 405
37 412
38 429
39 441
40 460
41 465
42 477
43 484
44 489
45 496
46 520
47 525
48 532
49 544
50 549
51 597
52 609
53 616
54 640
55 645
56 652
57 664
58 681
59 700
60 705
61 712
62 717

List of values

[1, 4, 9, 16, 21, 40, 45, 52, 57, 64, 69, 76, 100, 112, 117, 129, 136, 141, 177, 184, 201, 220, 225, 232, 244, 261, 285, 297, 304, 309, 316, 321, 364, 376, 381, 405, 412, 429, 441, 460, 465, 477, 484, 489, 496, 520, 525, 532, 544, 549, 597, 609, 616, 640, 645, 652, 664, 681, 700, 705, 712, 717]

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

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