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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.

A073705 a(n) = Sum_{ d divides n } (n/d)^(2d).

Table of values

n a(n)
1 1
2 5
3 10
4 33
5 26
6 182
7 50
8 577
9 811
10 1750
11 122
12 16194
13 170
14 18982
15 74900
16 135425
17 290
18 847127
19 362
20 2498178
21 4901060
22 4209430
23 530
24 78564226
25 9766251
26 67138102
27 387952660
28 542674914
29 842
30 4866184552
31 962
32 8606778369
33 31382832260
34 17179953862
35 6385992100
36 422091411267
37 1370
38 274878038710

List of values

[1, 5, 10, 33, 26, 182, 50, 577, 811, 1750, 122, 16194, 170, 18982, 74900, 135425, 290, 847127, 362, 2498178, 4901060, 4209430, 530, 78564226, 9766251, 67138102, 387952660, 542674914, 842, 4866184552, 962, 8606778369, 31382832260, 17179953862, 6385992100, 422091411267, 1370, 274878038710]

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

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