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.

A032622 Numbers k such that k concatenated with k+7 is a prime.

Table of values

n a(n)
1 2
2 6
3 20
4 26
5 30
6 36
7 44
8 60
9 62
10 66
11 74
12 80
13 86
14 1004
15 1034
16 1046
17 1086
18 1094
19 1104
20 1136
21 1142
22 1194
23 1200
24 1206
25 1214
26 1224
27 1250
28 1262
29 1266
30 1290
31 1292
32 1296
33 1320
34 1326
35 1332
36 1346
37 1350
38 1352
39 1356
40 1364
41 1370
42 1380
43 1404
44 1416
45 1434
46 1472
47 1496

List of values

[2, 6, 20, 26, 30, 36, 44, 60, 62, 66, 74, 80, 86, 1004, 1034, 1046, 1086, 1094, 1104, 1136, 1142, 1194, 1200, 1206, 1214, 1224, 1250, 1262, 1266, 1290, 1292, 1296, 1320, 1326, 1332, 1346, 1350, 1352, 1356, 1364, 1370, 1380, 1404, 1416, 1434, 1472, 1496]