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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.

A038537 Primes base 10 that remain primes in eight bases b, 2<=b<=10, when the expansions are interpreted as decimal numbers.

Table of values

n a(n)
1 2
2 3
3 379081
4 59771671
5 146752831
6 764479423
7 1479830551
8 3406187401
9 5631714889
10 7740024337
11 8256310441
12 8772257161
13 9522879913
14 10350894331
15 12852250993
16 14261996563
17 16082349433
18 16199980009
19 17727606151
20 18172964503
21 18294784903
22 19393314433
23 19472325391
24 20582035993

List of values

[2, 3, 379081, 59771671, 146752831, 764479423, 1479830551, 3406187401, 5631714889, 7740024337, 8256310441, 8772257161, 9522879913, 10350894331, 12852250993, 14261996563, 16082349433, 16199980009, 17727606151, 18172964503, 18294784903, 19393314433, 19472325391, 20582035993]

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

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