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.

A048398 Primes with consecutive digits that differ exactly by 1.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 23
6 43
7 67
8 89
9 101
10 787
11 4567
12 12101
13 12323
14 12343
15 32321
16 32323
17 34543
18 54323
19 56543
20 56767
21 76543
22 78787
23 78989
24 210101
25 212123
26 234323
27 234343
28 432121
29 432323
30 432343
31 434323
32 454543
33 456767
34 654323
35 654343
36 678767
37 678989

List of values

[2, 3, 5, 7, 23, 43, 67, 89, 101, 787, 4567, 12101, 12323, 12343, 32321, 32323, 34543, 54323, 56543, 56767, 76543, 78787, 78989, 210101, 212123, 234323, 234343, 432121, 432323, 432343, 434323, 454543, 456767, 654323, 654343, 678767, 678989]

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

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