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.

A213305 Minimal prime with n nonprime substrings (Version 1: substrings with leading zeros are considered to be nonprime).

Table of values

n a(n)
0 2
1 13
2 11
3 127
4 103
5 101
6 1013
7 1019
8 1021
9 1009
10 10177
11 10037
12 10067
13 10007
14 10009
15 100237
16 100271
17 100153
18 100043
19 100003
20 100049
21 1001173
22 1000313
23 1000037
24 1000033
25 1000039
26 1000003
27 1000081
28 10000379
29 10001237
30 10000223

List of values

[2, 13, 11, 127, 103, 101, 1013, 1019, 1021, 1009, 10177, 10037, 10067, 10007, 10009, 100237, 100271, 100153, 100043, 100003, 100049, 1001173, 1000313, 1000037, 1000033, 1000039, 1000003, 1000081, 10000379, 10001237, 10000223]

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

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