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.

A320725 Prime numbers such that all other numbers obtained from all permutations of all subsets of the digits are nonprime.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 19
7 41
8 61
9 89
10 409
11 449
12 499
13 881
14 6469

List of values

[2, 3, 5, 7, 11, 19, 41, 61, 89, 409, 449, 499, 881, 6469]