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.

A055966 n + reversal of base 20 digits of n (written in base 10).

Table of values

n a(n)
0 0
1 2
2 4
3 6
4 8
5 10
6 12
7 14
8 16
9 18
10 20
11 22
12 24
13 26
14 28
15 30
16 32
17 34
18 36
19 38
20 21
21 42
22 63
23 84
24 105
25 126
26 147
27 168
28 189
29 210
30 231
31 252
32 273
33 294
34 315
35 336
36 357
37 378
38 399
39 420
40 42
41 63
42 84
43 105
44 126
45 147
46 168
47 189
48 210
49 231
50 252
51 273
52 294
53 315
54 336
55 357
56 378
57 399
58 420

List of values

[0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420]