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.

A286342 Smallest beastly prime in base n: smallest prime p with a base-n expansion containing the substring 666.

Table of values

n a(n)
7 2399
8 3511
9 4919
10 6661
11 2129
12 11311
13 14281
14 17729
15 21701
16 26209
17 26407
18 37049
19 43441
20 50527
21 252823
22 66931
23 64153
24 86561
25 19531
26 109673
27 122651
28 136601
29 151561
30 167593
31 184703
32 202949
33 222361
34 242971
35 50441
36 287933
37 261707
38 338137
39 365291
40 393847
41 79259

List of values

[2399, 3511, 4919, 6661, 2129, 11311, 14281, 17729, 21701, 26209, 26407, 37049, 43441, 50527, 252823, 66931, 64153, 86561, 19531, 109673, 122651, 136601, 151561, 167593, 184703, 202949, 222361, 242971, 50441, 287933, 261707, 338137, 365291, 393847, 79259]

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

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