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.

A013968 a(n) = sigma_20(n), the sum of the 20th powers of the divisors of n.

Table of values

n a(n)
1 1
2 1048577
3 3486784402
4 1099512676353
5 95367431640626
6 3656161927895954
7 79792266297612002
8 1152922604119523329
9 12157665462543713203
10 100000095367432689202
11 672749994932560009202
12 3833763649708914645906
13 19004963774880799438802
14 83668335217551100221154

List of values

[1, 1048577, 3486784402, 1099512676353, 95367431640626, 3656161927895954, 79792266297612002, 1152922604119523329, 12157665462543713203, 100000095367432689202, 672749994932560009202, 3833763649708914645906, 19004963774880799438802, 83668335217551100221154]