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.

A376848 Numbers k such that phi(k + phi(k)) = phi(k) + phi(phi(k)), where phi = A000010.

Table of values

n a(n)
1 2
2 5
3 9
4 10
5 14
6 18
7 20
8 27
9 28
10 36
11 38
12 40
13 46
14 54
15 56
16 72
17 76
18 78
19 80
20 81
21 92
22 108
23 112
24 144
25 152
26 156
27 160
28 162
29 184
30 216
31 224
32 234
33 243
34 258
35 288
36 294
37 304
38 312
39 320
40 324
41 368
42 432
43 438
44 448
45 468
46 486
47 516
48 526
49 570
50 576
51 588
52 608
53 609
54 624
55 640
56 648
57 702
58 718
59 729
60 736
61 754
62 774
63 864
64 876

List of values

[2, 5, 9, 10, 14, 18, 20, 27, 28, 36, 38, 40, 46, 54, 56, 72, 76, 78, 80, 81, 92, 108, 112, 144, 152, 156, 160, 162, 184, 216, 224, 234, 243, 258, 288, 294, 304, 312, 320, 324, 368, 432, 438, 448, 468, 486, 516, 526, 570, 576, 588, 608, 609, 624, 640, 648, 702, 718, 729, 736, 754, 774, 864, 876]

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

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