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.

A293992 Numbers k such that sigma(k) - k - 1 is a perfect number.

Table of values

n a(n)
1 8
2 115
3 187
4 1375
5 2455
6 8143
7 13543
8 18261
9 21103
10 23479
11 40615
12 41623
13 43279
14 49183
15 49441
16 51703
17 56743
18 61063
19 61279
20 61423
21 89287
22 95551
23 137887
24 214303
25 331567
26 379807
27 476071
28 715471
29 1422871
30 1515967
31 1793527
32 1977127
33 2431087
34 3098527
35 3663871

List of values

[8, 115, 187, 1375, 2455, 8143, 13543, 18261, 21103, 23479, 40615, 41623, 43279, 49183, 49441, 51703, 56743, 61063, 61279, 61423, 89287, 95551, 137887, 214303, 331567, 379807, 476071, 715471, 1422871, 1515967, 1793527, 1977127, 2431087, 3098527, 3663871]