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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.

A344830 a(n) is the smallest b > 1 such that prime(n), prime(n+1), prime(n+2), prime(n+3), prime(n+4) and prime(n+5) are all base-b Wieferich primes.

Table of values

n a(n)
1 132857
2 2006776
3 296449
4 17134811
5 36763941
6 34998229
7 31239565
8 968576295
9 1027038511
10 287811239
11 15022368222
12 33452659960
13 19477999997
14 132892045949
15 47341045210
16 32176849766
17 106967760951
18 303459122992
19 20216391690
20 1411108384416
21 219517083156
22 361244580521
23 455588981749

List of values

[132857, 2006776, 296449, 17134811, 36763941, 34998229, 31239565, 968576295, 1027038511, 287811239, 15022368222, 33452659960, 19477999997, 132892045949, 47341045210, 32176849766, 106967760951, 303459122992, 20216391690, 1411108384416, 219517083156, 361244580521, 455588981749]

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

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