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.

A373105 a(n) = sigma_10(n^2)/sigma_5(n^2).

Table of values

n a(n)
1 1
2 993
3 58807
4 1016801
5 9762501
6 58395351
7 282458443
8 1041204193
9 3472494301
10 9694163493
11 25937263551
12 59795016407
13 137858120557
14 280481233899
15 574103396307
16 1066193093601
17 2015992480593
18 3448186840893
19 6131063781703
20 9926520779301

List of values

[1, 993, 58807, 1016801, 9762501, 58395351, 282458443, 1041204193, 3472494301, 9694163493, 25937263551, 59795016407, 137858120557, 280481233899, 574103396307, 1066193093601, 2015992480593, 3448186840893, 6131063781703, 9926520779301]

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

Content is available under The OEIS End-User License Agreement.