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.

A385905 Numbers k >= 1 such that digsum(k-r) + ... + digsum(k-1) = digsum(k+1) + ... + digsum(k+r) for some r >= 1 where digsum(i) is the digital sum of i (A007953).

Table of values

n a(n)
1 9
2 10
3 19
4 20
5 29
6 30
7 39
8 40
9 49
10 50
11 59
12 60
13 69
14 70
15 77
16 79
17 80
18 85
19 86
20 89
21 90
22 91
23 92
24 99
25 100
26 107
27 108
28 109
29 110
30 113
31 114
32 119
33 120
34 122
35 129
36 130
37 139
38 140
39 149
40 150
41 159
42 160
43 169
44 170
45 177
46 179
47 180
48 185
49 186
50 189
51 190
52 191
53 192
54 197
55 199
56 200
57 202

List of values

[9, 10, 19, 20, 29, 30, 39, 40, 49, 50, 59, 60, 69, 70, 77, 79, 80, 85, 86, 89, 90, 91, 92, 99, 100, 107, 108, 109, 110, 113, 114, 119, 120, 122, 129, 130, 139, 140, 149, 150, 159, 160, 169, 170, 177, 179, 180, 185, 186, 189, 190, 191, 192, 197, 199, 200, 202]