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.

A061783 Luhn primes: primes p such that p + (p reversed) is also a prime.

Table of values

n a(n)
1 229
2 239
3 241
4 257
5 269
6 271
7 277
8 281
9 439
10 443
11 463
12 467
13 479
14 499
15 613
16 641
17 653
18 661
19 673
20 677
21 683
22 691
23 811
24 823
25 839
26 863
27 881
28 20011
29 20029
30 20047
31 20051
32 20101
33 20161
34 20201
35 20249
36 20269
37 20347
38 20389
39 20399
40 20441
41 20477
42 20479
43 20507

List of values

[229, 239, 241, 257, 269, 271, 277, 281, 439, 443, 463, 467, 479, 499, 613, 641, 653, 661, 673, 677, 683, 691, 811, 823, 839, 863, 881, 20011, 20029, 20047, 20051, 20101, 20161, 20201, 20249, 20269, 20347, 20389, 20399, 20441, 20477, 20479, 20507]

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

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