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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.

A213321 Minimal prime with n prime substrings (substrings with leading zeros are considered to be nonprime).

Table of values

n a(n)
1 2
2 13
3 23
4 113
5 137
6 373
7 1973
8 1733
9 1373
10 11317
11 17333
12 31379
13 37337
14 113173
15 211373
16 313739
17 337397
18 1113173
19 1137337
20 2313797
21 2337397
22 11131733
23 12337397
24 11373379
25 33133733
26 111733373
27 113137337
28 123733739
29 291733373
30 113733797
31 1173313373
32 1137333137
33 1237337393
34 1137337973

List of values

[2, 13, 23, 113, 137, 373, 1973, 1733, 1373, 11317, 17333, 31379, 37337, 113173, 211373, 313739, 337397, 1113173, 1137337, 2313797, 2337397, 11131733, 12337397, 11373379, 33133733, 111733373, 113137337, 123733739, 291733373, 113733797, 1173313373, 1137333137, 1237337393, 1137337973]

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

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