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.

A029951 Even palindromes.

Table of values

n a(n)
1 0
2 2
3 4
4 6
5 8
6 22
7 44
8 66
9 88
10 202
11 212
12 222
13 232
14 242
15 252
16 262
17 272
18 282
19 292
20 404
21 414
22 424
23 434
24 444
25 454
26 464
27 474
28 484
29 494
30 606
31 616
32 626
33 636
34 646
35 656
36 666
37 676
38 686
39 696
40 808
41 818
42 828
43 838
44 848
45 858
46 868
47 878
48 888
49 898
50 2002
51 2112
52 2222

List of values

[0, 2, 4, 6, 8, 22, 44, 66, 88, 202, 212, 222, 232, 242, 252, 262, 272, 282, 292, 404, 414, 424, 434, 444, 454, 464, 474, 484, 494, 606, 616, 626, 636, 646, 656, 666, 676, 686, 696, 808, 818, 828, 838, 848, 858, 868, 878, 888, 898, 2002, 2112, 2222]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.