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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.

A067282 Numbers k such that phi(k) + phi(k+1) divides sigma(k) + sigma(k+1).

Table of values

n a(n)
1 1
2 5
3 52
4 55
5 185
6 506
7 551
8 590
9 644
10 667
11 707
12 2285
13 2587
14 2758
15 7551
16 10366
17 11336
18 11564
19 11798
20 12750
21 16616
22 16703
23 16764
24 17383
25 18239
26 24350
27 24415
28 26586
29 33263
30 35541
31 40382
32 63248
33 76247
34 76622
35 92379
36 95069
37 97341
38 106312
39 111388

List of values

[1, 5, 52, 55, 185, 506, 551, 590, 644, 667, 707, 2285, 2587, 2758, 7551, 10366, 11336, 11564, 11798, 12750, 16616, 16703, 16764, 17383, 18239, 24350, 24415, 26586, 33263, 35541, 40382, 63248, 76247, 76622, 92379, 95069, 97341, 106312, 111388]

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

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