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.

A152136 a(0) = 0; thereafter a(n) is always the smallest integer > a(n-1) not leading to a contradiction, such that the concatenation of any two consecutive digits in the sequence is a prime.

Table of values

n a(n)
0 0
1 2
2 3
3 7
4 9
5 71
6 73
7 79
8 711
9 713
10 717
11 971
12 973
13 1111
14 1113
15 1117
16 1119
17 7111
18 7113
19 7117
20 9711
21 9713
22 11111
23 11113
24 11117
25 11119
26 71111
27 71113
28 71117
29 97111
30 97113
31 111111
32 111113
33 111117
34 111119
35 711111
36 711113
37 711117
38 971111

List of values

[0, 2, 3, 7, 9, 71, 73, 79, 711, 713, 717, 971, 973, 1111, 1113, 1117, 1119, 7111, 7113, 7117, 9711, 9713, 11111, 11113, 11117, 11119, 71111, 71113, 71117, 97111, 97113, 111111, 111113, 111117, 111119, 711111, 711113, 711117, 971111]