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.

A225780 Numbers such that both n and its reversal are divisible by sum of digits of n.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 12
12 18
13 20
14 21
15 24
16 27
17 30
18 36
19 40
20 42
21 45
22 48
23 50
24 54
25 60
26 63
27 70
28 72
29 80
30 81
31 84
32 90
33 100
34 102
35 108
36 111
37 117
38 120
39 126
40 135
41 144
42 153
43 162
44 171
45 180
46 200
47 201
48 204
49 207
50 209
51 210
52 216
53 222
54 225
55 234
56 240
57 243
58 252
59 261
60 270

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 18, 20, 21, 24, 27, 30, 36, 40, 42, 45, 48, 50, 54, 60, 63, 70, 72, 80, 81, 84, 90, 100, 102, 108, 111, 117, 120, 126, 135, 144, 153, 162, 171, 180, 200, 201, 204, 207, 209, 210, 216, 222, 225, 234, 240, 243, 252, 261, 270]