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.

A225421 Prime numbers consisting of only odd digits such that there is only one permutation of its digits that produces a prime number.

Table of values

n a(n)
1 3
2 5
3 7
4 11
5 19
6 53
7 59
8 151
9 353
10 557
11 599
12 773
13 997
14 5557
15 7559
16 11119
17 15559
18 59999
19 71777
20 75553
21 79999
22 99991
23 191999
24 511111
25 555557
26 575557
27 775777
28 777977
29 799979
30 1111151
31 3353333
32 5595559
33 5755559
34 7577777
35 9999991
36 33335333
37 55555553
38 55555559

List of values

[3, 5, 7, 11, 19, 53, 59, 151, 353, 557, 599, 773, 997, 5557, 7559, 11119, 15559, 59999, 71777, 75553, 79999, 99991, 191999, 511111, 555557, 575557, 775777, 777977, 799979, 1111151, 3353333, 5595559, 5755559, 7577777, 9999991, 33335333, 55555553, 55555559]