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.

A116012 Numbers k such that k + sigma(k) + sigma(sigma(k)) is a fourth power.

Table of values

n a(n)
1 19
2 1873
3 147497
4 792736
5 4551733
6 4967176
7 7333813
8 8539521
9 8674128
10 12388853
11 12948373
12 18331664
13 24834369
14 36294936
15 50952310
16 116340016
17 170434387
18 196966352
19 222505713
20 236504256
21 286766145
22 390771936
23 426323088
24 532998481
25 778930925
26 805653001

List of values

[19, 1873, 147497, 792736, 4551733, 4967176, 7333813, 8539521, 8674128, 12388853, 12948373, 18331664, 24834369, 36294936, 50952310, 116340016, 170434387, 196966352, 222505713, 236504256, 286766145, 390771936, 426323088, 532998481, 778930925, 805653001]