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.

A179883 List of twin numbers (h, h+1) such that h and h+1 have same antiharmonic mean of the numbers k < h such that gcd(k, h) = 1.

Table of values

n a(n)
1 1
2 2
3 6
4 7
5 10
6 11
7 22
8 23
9 46
10 47
11 58
12 59
13 65
14 66
15 69
16 70
17 77
18 78
19 82
20 83
21 106
22 107
23 129
24 130
25 166
26 167
27 178
28 179
29 185
30 186
31 194
32 195
33 210
34 211
35 221
36 222
37 226
38 227
39 237
40 238
41 254
42 255
43 262
44 263
45 265
46 266
47 309
48 310
49 321
50 322
51 330
52 331
53 346
54 347
55 358
56 359
57 365

List of values

[1, 2, 6, 7, 10, 11, 22, 23, 46, 47, 58, 59, 65, 66, 69, 70, 77, 78, 82, 83, 106, 107, 129, 130, 166, 167, 178, 179, 185, 186, 194, 195, 210, 211, 221, 222, 226, 227, 237, 238, 254, 255, 262, 263, 265, 266, 309, 310, 321, 322, 330, 331, 346, 347, 358, 359, 365]

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

Content is available under The OEIS End-User License Agreement.