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.

A087593 Define dd(n) = the number formed by concatenating the absolute difference of successive digits. Sequence contains primes p such that dd(p) is also prime. (Primes in which the number formed by successive digit difference is also a prime.).

Table of values

n a(n)
0 13
1 29
2 31
3 41
4 47
5 53
6 61
7 79
8 83
9 97
10 101
11 103
12 107
13 109
14 113
15 163
16 227
17 229
18 241
19 263
20 269
21 281
22 307
23 331
24 347
25 367
26 401
27 449
28 463
29 487
30 503
31 509
32 521
33 523
34 541
35 547
36 557
37 563
38 569
39 587
40 601
41 607
42 641
43 647
44 661
45 701
46 709
47 743
48 769
49 787
50 809
51 821
52 823
53 829

List of values

[13, 29, 31, 41, 47, 53, 61, 79, 83, 97, 101, 103, 107, 109, 113, 163, 227, 229, 241, 263, 269, 281, 307, 331, 347, 367, 401, 449, 463, 487, 503, 509, 521, 523, 541, 547, 557, 563, 569, 587, 601, 607, 641, 647, 661, 701, 709, 743, 769, 787, 809, 821, 823, 829]

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

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