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.

A084218 a(n) = sigma_4(n^2)/sigma_2(n^2).

Table of values

n a(n)
1 1
2 13
3 73
4 205
5 601
6 949
7 2353
8 3277
9 5905
10 7813
11 14521
12 14965
13 28393
14 30589
15 43873
16 52429
17 83233
18 76765
19 129961
20 123205
21 171769
22 188773
23 279313
24 239221
25 375601
26 369109
27 478297
28 482365
29 706441
30 570349
31 922561
32 838861
33 1060033
34 1082029

List of values

[1, 13, 73, 205, 601, 949, 2353, 3277, 5905, 7813, 14521, 14965, 28393, 30589, 43873, 52429, 83233, 76765, 129961, 123205, 171769, 188773, 279313, 239221, 375601, 369109, 478297, 482365, 706441, 570349, 922561, 838861, 1060033, 1082029]

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

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