cp's OEIS Frontend

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.

A068955 Greatest prime factor of n^n - (n-1)^(n-1).

Table of values

n a(n)
2 3
3 23
4 229
5 151
6 431
7 776887
8 14731
9 109
10 80317
11 275311670611
12 19395030961
13 10423708597
14 968299894201
15 19428121
16 165218809021364149
17 808793517812627212561
18 3979203955386313
19 588489604729898953429
20 2126173979464312447783
21 5043293621028391
22 90772326303985278570534379

List of values

[3, 23, 229, 151, 431, 776887, 14731, 109, 80317, 275311670611, 19395030961, 10423708597, 968299894201, 19428121, 165218809021364149, 808793517812627212561, 3979203955386313, 588489604729898953429, 2126173979464312447783, 5043293621028391, 90772326303985278570534379]

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

Content is available under The OEIS End-User License Agreement.