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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.

A379517 Numerators of the partial sums of the reciprocals of the unitary totient function (A047994).

Table of values

n a(n)
1 1
2 2
3 5
4 17
5 37
6 43
7 15
8 109
9 225
10 239
11 1223
12 3809
13 1293
14 4019
15 1031
16 209
17 1693
18 1735
19 5261
20 5345
21 5429
22 27649
23 306659
24 310619
25 312929
26 317549
27 4155857
28 4195897
29 603091
30 615961
31 619393
32 19304143
33 19463731
34 1228951
35 9898103
36 4982299
37 1251116
38 2524397
39 10164083

List of values

[1, 2, 5, 17, 37, 43, 15, 109, 225, 239, 1223, 3809, 1293, 4019, 1031, 209, 1693, 1735, 5261, 5345, 5429, 27649, 306659, 310619, 312929, 317549, 4155857, 4195897, 603091, 615961, 619393, 19304143, 19463731, 1228951, 9898103, 4982299, 1251116, 2524397, 10164083]

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

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