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.

A154981 Primes with nonprime smallest digit.

Table of values

n a(n)
1 11
2 13
3 17
4 19
5 31
6 41
7 47
8 61
9 67
10 71
11 89
12 101
13 103
14 107
15 109
16 113
17 127
18 131
19 137
20 139
21 149
22 151
23 157
24 163
25 167
26 173
27 179
28 181
29 191
30 193
31 197
32 199
33 211
34 241
35 251
36 271
37 281
38 307
39 311
40 313
41 317
42 331
43 401
44 409
45 419
46 421
47 431
48 449
49 457
50 461
51 467
52 479
53 487
54 491

List of values

[11, 13, 17, 19, 31, 41, 47, 61, 67, 71, 89, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 241, 251, 271, 281, 307, 311, 313, 317, 331, 401, 409, 419, 421, 431, 449, 457, 461, 467, 479, 487, 491]