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.

A347343 Positive integers k such that k with the last digit repeated is prime.

Table of values

n a(n)
1 1
2 19
3 21
4 23
5 27
6 31
7 43
8 49
9 57
10 59
11 67
12 73
13 81
14 87
15 91
16 97
17 103
18 127
19 139
20 143
21 149
22 151
23 169
24 173
25 177
26 181
27 187
28 193
29 199
30 201
31 209
32 211
33 231
34 233
35 237
36 239
37 241
38 247
39 263
40 267
41 269
42 271
43 277
44 283
45 299
46 301
47 329
48 343
49 349
50 351
51 353
52 367
53 373
54 383
55 387

List of values

[1, 19, 21, 23, 27, 31, 43, 49, 57, 59, 67, 73, 81, 87, 91, 97, 103, 127, 139, 143, 149, 151, 169, 173, 177, 181, 187, 193, 199, 201, 209, 211, 231, 233, 237, 239, 241, 247, 263, 267, 269, 271, 277, 283, 299, 301, 329, 343, 349, 351, 353, 367, 373, 383, 387]