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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.

A386123 Primes having only {1, 4, 6, 7} as digits.

Table of values

n a(n)
1 7
2 11
3 17
4 41
5 47
6 61
7 67
8 71
9 167
10 461
11 467
12 617
13 641
14 647
15 661
16 677
17 761
18 1117
19 1171
20 1447
21 1471
22 1667
23 1741
24 1747
25 1777
26 4111
27 4177
28 4441
29 4447
30 6661
31 6761
32 7177
33 7411
34 7417
35 7477
36 7717
37 7741
38 11117
39 11161
40 11171
41 11177
42 11411
43 11447
44 11467
45 11471
46 11617
47 11677

List of values

[7, 11, 17, 41, 47, 61, 67, 71, 167, 461, 467, 617, 641, 647, 661, 677, 761, 1117, 1171, 1447, 1471, 1667, 1741, 1747, 1777, 4111, 4177, 4441, 4447, 6661, 6761, 7177, 7411, 7417, 7477, 7717, 7741, 11117, 11161, 11171, 11177, 11411, 11447, 11467, 11471, 11617, 11677]

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

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