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.

A050472 Numbers m such that 2*phi(m) = phi(m+1).

Table of values

n a(n)
1 2
2 4
3 16
4 154
5 256
6 286
7 364
8 804
9 1066
10 2146
11 3382
12 4550
13 6106
14 7700
15 8176
16 9268
17 11284
18 12556
19 12970
20 16402
21 19228
22 19276
23 20272
24 25132
25 26404
26 27346
27 29154
28 29574
29 35644
30 36418
31 38368
32 39646
33 40494
34 47214
35 52234
36 54652
37 65536
38 84862

List of values

[2, 4, 16, 154, 256, 286, 364, 804, 1066, 2146, 3382, 4550, 6106, 7700, 8176, 9268, 11284, 12556, 12970, 16402, 19228, 19276, 20272, 25132, 26404, 27346, 29154, 29574, 35644, 36418, 38368, 39646, 40494, 47214, 52234, 54652, 65536, 84862]