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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.

A344831 a(n) is the smallest b > 1 such that prime(n), prime(n+1), prime(n+2), prime(n+3), prime(n+4), prime(n+5) and prime(n+6) are all base-b Wieferich primes.

Table of values

n a(n)
1 4486949
2 20950343
3 23250274
4 741652533
5 710808570
6 2380570527
7 4967352848
8 39489360341
9 6143373023
10 64470545267
11 627069771908
12 407165268367
13 676579634125
14 676579634125
15 2923957743077
16 369072416795
17 5110842013966
18 19645397150616
19 16037329738682
20 5867065121893
21 31015370285102

List of values

[4486949, 20950343, 23250274, 741652533, 710808570, 2380570527, 4967352848, 39489360341, 6143373023, 64470545267, 627069771908, 407165268367, 676579634125, 676579634125, 2923957743077, 369072416795, 5110842013966, 19645397150616, 16037329738682, 5867065121893, 31015370285102]

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

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