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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.

A307607 a(n) = 1 + Sum_{d|n, d > 1} d^2*a(n/d).

Table of values

n a(n)
1 1
2 5
3 10
4 37
5 26
6 122
7 50
8 293
9 172
10 330
11 122
12 1306
13 170
14 642
15 710
16 2341
17 290
18 2876
19 362
20 3562
21 1382
22 1578
23 530
24 13082
25 1276
26 2202
27 3088
28 6946
29 842
30 12822
31 962
32 18725
33 3398
34 3762
35 3750
36 37756
37 1370
38 4698
39 4742
40 35818
41 1682
42 25014
43 1850
44 17098
45 17072
46 6882

List of values

[1, 5, 10, 37, 26, 122, 50, 293, 172, 330, 122, 1306, 170, 642, 710, 2341, 290, 2876, 362, 3562, 1382, 1578, 530, 13082, 1276, 2202, 3088, 6946, 842, 12822, 962, 18725, 3398, 3762, 3750, 37756, 1370, 4698, 4742, 35818, 1682, 25014, 1850, 17098, 17072, 6882]

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

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