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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.

A048290 Numbers m that divide Sum_{k=1..m} phi(k).

Table of values

n a(n)
1 1
2 2
3 5
4 6
5 16
6 25
7 36
8 249
9 617
10 1296
11 13763
12 76268
13 189074
14 783665
15 1102394
16 3258466
17 3808854
18 7971034
19 15748051
20 27746990
21 41846733
22 153673168
23 195853251
24 302167272
25 402296412
26 732683468
27 807656448
28 844492262
29 848152352
30 1122039882
31 2258200198
32 2438160726

List of values

[1, 2, 5, 6, 16, 25, 36, 249, 617, 1296, 13763, 76268, 189074, 783665, 1102394, 3258466, 3808854, 7971034, 15748051, 27746990, 41846733, 153673168, 195853251, 302167272, 402296412, 732683468, 807656448, 844492262, 848152352, 1122039882, 2258200198, 2438160726]