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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.

A179882 a(n) is the corresponding value of contraharmonic mean B(h) of numbers k such that gcd(k, h) = 1 (k < h) for numbers h from A179877(n) and A179878(n).

Table of values

n a(n)
1 1
2 7
3 15
4 31
5 39
6 55
7 71
8 111
9 119
10 151
11 175
12 177
13 231
14 239
15 255
16 303
17 311
18 313
19 319
20 329
21 335
22 337
23 345
24 375
25 391
26 393
27 479
28 521
29 559
30 575
31 591
32 593
33 601
34 607
35 623
36 655
37 657
38 679
39 777
40 785
41 791
42 823
43 855
44 863
45 871
46 879
47 889
48 905
49 911
50 929
51 937
52 959
53 961
54 991

List of values

[1, 7, 15, 31, 39, 55, 71, 111, 119, 151, 175, 177, 231, 239, 255, 303, 311, 313, 319, 329, 335, 337, 345, 375, 391, 393, 479, 521, 559, 575, 591, 593, 601, 607, 623, 655, 657, 679, 777, 785, 791, 823, 855, 863, 871, 879, 889, 905, 911, 929, 937, 959, 961, 991]

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

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