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.

A270613 Numbers k such that (68*10^k + 7)/3 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 7
6 10
7 24
8 25
9 29
10 34
11 35
12 37
13 46
14 49
15 88
16 103
17 290
18 381
19 484
20 696
21 751
22 886
23 999
24 1750
25 5062
26 6214
27 9740
28 12558
29 16551
30 24674
31 28600
32 37427
33 48032
34 61991
35 70148
36 72516
37 99441
38 179656

List of values

[1, 2, 3, 4, 7, 10, 24, 25, 29, 34, 35, 37, 46, 49, 88, 103, 290, 381, 484, 696, 751, 886, 999, 1750, 5062, 6214, 9740, 12558, 16551, 24674, 28600, 37427, 48032, 61991, 70148, 72516, 99441, 179656]

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

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