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.

A179884 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 and simultaneously this mean is an integer.

Table of values

n a(n)
1 1
2 2
3 10
4 11
5 22
6 23
7 46
8 47
9 58
10 59
11 82
12 83
13 106
14 107
15 166
16 167
17 178
18 179
19 226
20 227
21 262
22 263
23 265
24 266
25 346
26 347
27 358
28 359
29 382
30 383
31 454
32 455
33 466
34 467
35 469
36 470
37 478
38 479
39 493
40 494
41 502
42 503
43 505
44 506
45 517
46 518
47 562
48 563
49 586
50 587
51 589
52 590
53 718
54 719
55 781
56 782

List of values

[1, 2, 10, 11, 22, 23, 46, 47, 58, 59, 82, 83, 106, 107, 166, 167, 178, 179, 226, 227, 262, 263, 265, 266, 346, 347, 358, 359, 382, 383, 454, 455, 466, 467, 469, 470, 478, 479, 493, 494, 502, 503, 505, 506, 517, 518, 562, 563, 586, 587, 589, 590, 718, 719, 781, 782]

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

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