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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.

A373618 Least prime starting a run of n consecutive primes p_i, i=1..n, such that p_i + 1 is squarefree and p_(n+1) + 1 is not squarefree.

Table of values

n a(n)
1 2
2 37
3 397
4 389
5 11617
6 11597
7 11593
8 2048509
9 2772409
10 5193997
11 33933701
12 125624813
13 125624809
14 432787781
15 432787777
16 4762221193
17 4762221181
18 182839149373
19 547414016069
20 551900822513

List of values

[2, 37, 397, 389, 11617, 11597, 11593, 2048509, 2772409, 5193997, 33933701, 125624813, 125624809, 432787781, 432787777, 4762221193, 4762221181, 182839149373, 547414016069, 551900822513]

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

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