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.

A231546 Numbers k such that sigma(k) = sigma(k-1).

Table of values

n a(n)
1 15
2 207
3 958
4 1335
5 1365
6 1635
7 2686
8 2975
9 4365
10 14842
11 18874
12 19359
13 20146
14 24958
15 33999
16 36567
17 42819
18 56565
19 64666
20 74919
21 79827
22 79834
23 84135
24 92686
25 109215
26 111507
27 116938
28 122074
29 138238
30 147455
31 161002
32 162603
33 166935
34 174718
35 190774
36 193894
37 201598

List of values

[15, 207, 958, 1335, 1365, 1635, 2686, 2975, 4365, 14842, 18874, 19359, 20146, 24958, 33999, 36567, 42819, 56565, 64666, 74919, 79827, 79834, 84135, 92686, 109215, 111507, 116938, 122074, 138238, 147455, 161002, 162603, 166935, 174718, 190774, 193894, 201598]