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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.

A174380 Smallest prime factors of numbers of the form (n-1)^n - n^(n-1) A007925.

Table of values

n a(n)
4 17
5 3
6 47
7 162287
8 23
9 257
10 2486784401
11 3
12 33479
13 83695120256591
14 5
15 67
16 7
17 3
18 443881
19 100417
20 859
21 79
22 10745792197529
23 3
24 92798617729
25 67
26 1627
27 11
28 12298336501553
29 3
30 19
31 241
32 167
33 3506869732968391733353
34 5
35 3
36 47
37 5
38 317

List of values

[17, 3, 47, 162287, 23, 257, 2486784401, 3, 33479, 83695120256591, 5, 67, 7, 3, 443881, 100417, 859, 79, 10745792197529, 3, 92798617729, 67, 1627, 11, 12298336501553, 3, 19, 241, 167, 3506869732968391733353, 5, 3, 47, 5, 317]

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

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