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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.

A344828 a(n) is the smallest b > 1 such that prime(n), prime(n+1), prime(n+2) and prime(n+3) are all base-b Wieferich primes.

Table of values

n a(n)
1 557
2 1207
3 1451
4 13543
5 24675
6 39016
7 217682
8 165407
9 1357748
10 399254
11 1146590
12 325346
13 1895206
14 3365181
15 4674177
16 21251205
17 40698745
18 6795147
19 36463448
20 12717474
21 54383927
22 7411274
23 35989426
24 101112784
25 86045167
26 13128506
27 276293632
28 169093089
29 223680564
30 137073637

List of values

[557, 1207, 1451, 13543, 24675, 39016, 217682, 165407, 1357748, 399254, 1146590, 325346, 1895206, 3365181, 4674177, 21251205, 40698745, 6795147, 36463448, 12717474, 54383927, 7411274, 35989426, 101112784, 86045167, 13128506, 276293632, 169093089, 223680564, 137073637]

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

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