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.

A015881 Numbers k such that sigma(k) = sigma(k+11).

Table of values

n a(n)
1 28
2 154
3 466
4 874
5 958
6 1054
7 2266
8 2878
9 11505
10 12754
11 14674
12 17974
13 21154
14 21778
15 29223
16 29535
17 31725
18 32714
19 39658
20 43186
21 48004
22 52018
23 62338
24 70198
25 126795
26 132783
27 163251
28 164818
29 207603
30 212938
31 221595
32 272685
33 274527

List of values

[28, 154, 466, 874, 958, 1054, 2266, 2878, 11505, 12754, 14674, 17974, 21154, 21778, 29223, 29535, 31725, 32714, 39658, 43186, 48004, 52018, 62338, 70198, 126795, 132783, 163251, 164818, 207603, 212938, 221595, 272685, 274527]