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.

A260893 Primes having only {1, 7, 9} as digits.

Table of values

n a(n)
1 7
2 11
3 17
4 19
5 71
6 79
7 97
8 179
9 191
10 197
11 199
12 719
13 797
14 911
15 919
16 971
17 977
18 991
19 997
20 1117
21 1171
22 1777
23 1979
24 1997
25 1999
26 7177
27 7717
28 7919
29 9199
30 9719
31 9791
32 11117
33 11119
34 11171
35 11177
36 11197
37 11717
38 11719
39 11777
40 11779
41 11971
42 17117
43 17191
44 17791
45 17911

List of values

[7, 11, 17, 19, 71, 79, 97, 179, 191, 197, 199, 719, 797, 911, 919, 971, 977, 991, 997, 1117, 1171, 1777, 1979, 1997, 1999, 7177, 7717, 7919, 9199, 9719, 9791, 11117, 11119, 11171, 11177, 11197, 11717, 11719, 11777, 11779, 11971, 17117, 17191, 17791, 17911]