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.

A098188 Irregular triangle with 4 columns which contains in each row the members of a 4-cycle under the map x->A063919(x), iteration of summing the proper-unitary divisors.

Table of values

n a(n)
1 263820
2 263940
3 280380
4 280500
5 395730
6 395910
7 420570
8 420750
9 172459210
10 218725430
11 272130250
12 218628662
13 209524210
14 246667790
15 231439570
16 230143790
17 384121920
18 384296640
19 408233280
20 408408000

List of values

[263820, 263940, 280380, 280500, 395730, 395910, 420570, 420750, 172459210, 218725430, 272130250, 218628662, 209524210, 246667790, 231439570, 230143790, 384121920, 384296640, 408233280, 408408000]