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.

A384013 Primes with at least two identical leading digits.

Table of values

n a(n)
1 11
2 113
3 223
4 227
5 229
6 331
7 337
8 443
9 449
10 557
11 661
12 773
13 881
14 883
15 887
16 991
17 997
18 1103
19 1109
20 1117
21 1123
22 1129
23 1151
24 1153
25 1163
26 1171
27 1181
28 1187
29 1193
30 2203
31 2207
32 2213
33 2221
34 2237
35 2239
36 2243
37 2251
38 2267
39 2269
40 2273
41 2281
42 2287
43 2293
44 2297
45 3301
46 3307
47 3313

List of values

[11, 113, 223, 227, 229, 331, 337, 443, 449, 557, 661, 773, 881, 883, 887, 991, 997, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193, 2203, 2207, 2213, 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287, 2293, 2297, 3301, 3307, 3313]