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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.

A386138 Primes having only {1, 7, 8, 9} as digits.

Table of values

n a(n)
1 7
2 11
3 17
4 19
5 71
6 79
7 89
8 97
9 179
10 181
11 191
12 197
13 199
14 719
15 787
16 797
17 811
18 877
19 881
20 887
21 911
22 919
23 971
24 977
25 991
26 997
27 1117
28 1171
29 1181
30 1187
31 1777
32 1787
33 1789
34 1811
35 1871
36 1877
37 1879
38 1889
39 1979
40 1987
41 1997
42 1999
43 7177
44 7187
45 7717
46 7789
47 7817
48 7877
49 7879
50 7919

List of values

[7, 11, 17, 19, 71, 79, 89, 97, 179, 181, 191, 197, 199, 719, 787, 797, 811, 877, 881, 887, 911, 919, 971, 977, 991, 997, 1117, 1171, 1181, 1187, 1777, 1787, 1789, 1811, 1871, 1877, 1879, 1889, 1979, 1987, 1997, 1999, 7177, 7187, 7717, 7789, 7817, 7877, 7879, 7919]

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

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