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.

A069869 Largest prime that is a concatenation of the parts of a partition of n, or 0 if no such prime exists.

Table of values

n a(n)
1 0
2 11
3 3
4 211
5 2111
6 0
7 112111
8 1111211
9 0
10 11131111
11 1121111111
12 0
13 111211111111
14 2111111111111
15 0
16 31111111111111
17 212111111111111
18 0
19 1111111111111111111
20 2111111111111111111
21 0
22 111111111111111121111
23 11111111111111111111111
24 0
25 211111111111111111111111

List of values

[0, 11, 3, 211, 2111, 0, 112111, 1111211, 0, 11131111, 1121111111, 0, 111211111111, 2111111111111, 0, 31111111111111, 212111111111111, 0, 1111111111111111111, 2111111111111111111, 0, 111111111111111121111, 11111111111111111111111, 0, 211111111111111111111111]

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

Content is available under The OEIS End-User License Agreement.