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.

A213306 Minimal prime with n nonprime substrings (Version 2: substrings with leading zeros are counted as nonprime if the corresponding number is > 0).

Table of values

n a(n)
0 2
1 13
2 11
3 103
4 101
5 149
6 1009
7 1021
8 1049
9 1481
10 10039
11 10069
12 10169
13 11681
14 14669
15 100109
16 100189
17 100169
18 101681
19 104681
20 146669
21 1000669
22 1001041
23 1001081
24 1004669
25 1014469
26 1046849
27 1468469
28 10001081
29 10004669
30 10010851

List of values

[2, 13, 11, 103, 101, 149, 1009, 1021, 1049, 1481, 10039, 10069, 10169, 11681, 14669, 100109, 100189, 100169, 101681, 104681, 146669, 1000669, 1001041, 1001081, 1004669, 1014469, 1046849, 1468469, 10001081, 10004669, 10010851]