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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.

A256651 Numbers k for which both the number of evil numbers <= k and relatively prime to k, and the number of odious numbers <= k and relatively prime to k, are primes.

Table of values

n a(n)
1 7
2 8
3 10
4 11
5 14
6 20
7 22
8 24
9 27
10 28
11 30
12 39
13 45
14 46
15 47
16 48
17 59
18 60
19 66
20 81
21 94
22 96
23 107
24 118
25 124
26 147
27 166
28 167
29 172
30 179
31 189
32 192
33 200
34 203
35 210
36 214
37 225
38 227
39 231
40 247
41 259
42 277
43 285
44 296
45 304
46 309
47 315
48 323
49 324
50 325
51 327
52 334
53 358
54 360
55 407
56 412
57 436

List of values

[7, 8, 10, 11, 14, 20, 22, 24, 27, 28, 30, 39, 45, 46, 47, 48, 59, 60, 66, 81, 94, 96, 107, 118, 124, 147, 166, 167, 172, 179, 189, 192, 200, 203, 210, 214, 225, 227, 231, 247, 259, 277, 285, 296, 304, 309, 315, 323, 324, 325, 327, 334, 358, 360, 407, 412, 436]

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

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