cp's OEIS Frontend

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.

A205483 L.g.f.: Sum_{n>=1} x^n/n * Product_{d|n} (1 + d*x^n)^d.

Table of values

n a(n)
1 1
2 3
3 1
4 11
5 1
6 45
7 1
8 59
9 109
10 53
11 1
12 869
13 1
14 101
15 961
16 3643
17 1
18 3555
19 1
20 18101
21 3235
22 245
23 1
24 92645
25 21876
26 341
27 11287
28 74141
29 1
30 722045
31 1
32 324667
33 20329
34 581
35 502076
36 5280611
37 1
38 725
39 40054
40 7567509
41 1
42 27239663
43 1
44 906301
45 7838224
46 1061
47 1
48 181474021

List of values

[1, 3, 1, 11, 1, 45, 1, 59, 109, 53, 1, 869, 1, 101, 961, 3643, 1, 3555, 1, 18101, 3235, 245, 1, 92645, 21876, 341, 11287, 74141, 1, 722045, 1, 324667, 20329, 581, 502076, 5280611, 1, 725, 40054, 7567509, 1, 27239663, 1, 906301, 7838224, 1061, 1, 181474021]