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.

A076609 Palindromic numbers with prime middle digit.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 121
6 131
7 151
8 171
9 222
10 232
11 252
12 272
13 323
14 333
15 353
16 373
17 424
18 434
19 454
20 474
21 525
22 535
23 555
24 575
25 626
26 636
27 656
28 676
29 727
30 737
31 757
32 777
33 828
34 838
35 858
36 878
37 929
38 939
39 959
40 979
41 10201
42 10301
43 10501
44 10701
45 11211
46 11311
47 11511
48 11711
49 12221

List of values

[2, 3, 5, 7, 121, 131, 151, 171, 222, 232, 252, 272, 323, 333, 353, 373, 424, 434, 454, 474, 525, 535, 555, 575, 626, 636, 656, 676, 727, 737, 757, 777, 828, 838, 858, 878, 929, 939, 959, 979, 10201, 10301, 10501, 10701, 11211, 11311, 11511, 11711, 12221]