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.

A174472 a(n) = Sum_{d|n} d^sigma(d).

Table of values

n a(n)
1 1
2 9
3 82
4 16393
5 15626
6 2176782426
7 5764802
8 35184372105225
9 2541865828411
10 1000000000000015634
11 3138428376722
12 1648446623609512543953220489306
13 3937376385699290
14 3214199700417740936756852426
15 16834112196028232574462906332
16 21267647932558653966460948148857618441

List of values

[1, 9, 82, 16393, 15626, 2176782426, 5764802, 35184372105225, 2541865828411, 1000000000000015634, 3138428376722, 1648446623609512543953220489306, 3937376385699290, 3214199700417740936756852426, 16834112196028232574462906332, 21267647932558653966460948148857618441]