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.

A213303 Smallest number 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 1
2 10
3 14
4 101
5 104
6 144
7 1001
8 1014
9 1044
10 1444
11 10010
12 10014
13 10144
14 10444
15 14444
16 100101
17 100104
18 100144
19 101444
20 104444
21 144444
22 1000144
23 1001014
24 1001044
25 1001444
26 1014444
27 1044444
28 1444444
29 10001044
30 10001444
31 10010144
32 10010444
33 10014444
34 10144444
35 10444444
36 14444444
37 100010144

List of values

[2, 1, 10, 14, 101, 104, 144, 1001, 1014, 1044, 1444, 10010, 10014, 10144, 10444, 14444, 100101, 100104, 100144, 101444, 104444, 144444, 1000144, 1001014, 1001044, 1001444, 1014444, 1044444, 1444444, 10001044, 10001444, 10010144, 10010444, 10014444, 10144444, 10444444, 14444444, 100010144]

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

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