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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.

A174379 a(n) is the largest prime factor of (n-1)^n - n^(n-1).

Table of values

n a(n)
4 17
5 19
6 167
7 162287
8 159463
9 354751
10 2486784401
11 12589253
12 71549927
13 83695120256591
14 556123
15 10902870290089
16 25793
17 362561
18 26757560905578361
19 6015993258685545623
20 55044966589
21 1182622403647894934149
22 9973660056412561
23 38783069052902219
24 4576344458074395243073

List of values

[17, 19, 167, 162287, 159463, 354751, 2486784401, 12589253, 71549927, 83695120256591, 556123, 10902870290089, 25793, 362561, 26757560905578361, 6015993258685545623, 55044966589, 1182622403647894934149, 9973660056412561, 38783069052902219, 4576344458074395243073]

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

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