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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.

A076529 Numbers k for which phi(k) = phi(k+1) - phi(k-1).

Table of values

n a(n)
1 2
2 4
3 6
4 10
5 16
6 22
7 36
8 40
9 46
10 100
11 136
12 232
13 256
14 856
15 1036
16 1296
17 1540
18 1600
19 2016
20 4336
21 6526
22 9178
23 14400
24 16096
25 30496
26 55386
27 61132
28 62800
29 65536
30 72580
31 77616
32 110176
33 152650
34 179296
35 244966
36 299650
37 603460
38 619696
39 686736
40 1876726
41 2841916
42 3058210

List of values

[2, 4, 6, 10, 16, 22, 36, 40, 46, 100, 136, 232, 256, 856, 1036, 1296, 1540, 1600, 2016, 4336, 6526, 9178, 14400, 16096, 30496, 55386, 61132, 62800, 65536, 72580, 77616, 110176, 152650, 179296, 244966, 299650, 603460, 619696, 686736, 1876726, 2841916, 3058210]

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

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