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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.

A260892 Primes having only {1, 7, 8} as digits.

Table of values

n a(n)
1 7
2 11
3 17
4 71
5 181
6 787
7 811
8 877
9 881
10 887
11 1117
12 1171
13 1181
14 1187
15 1777
16 1787
17 1811
18 1871
19 1877
20 7177
21 7187
22 7717
23 7817
24 7877
25 8111
26 8117
27 8171
28 8887
29 11117
30 11171
31 11177
32 11717
33 11777
34 11887
35 17117
36 17881
37 18181
38 18787
39 71171
40 71711
41 71777
42 71881
43 71887

List of values

[7, 11, 17, 71, 181, 787, 811, 877, 881, 887, 1117, 1171, 1181, 1187, 1777, 1787, 1811, 1871, 1877, 7177, 7187, 7717, 7817, 7877, 8111, 8117, 8171, 8887, 11117, 11171, 11177, 11717, 11777, 11887, 17117, 17881, 18181, 18787, 71171, 71711, 71777, 71881, 71887]

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

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