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.

A273772 Least k > 1 such that n*(k*n-1) - 1 divides n^(k*n-1) - 1, or 0 if no such k exists.

Table of values

n a(n)
2 381713
3 58651
4 12301
5 2861
6 1656278791
7 547
8 5179643
9 214
10 2719331
11 26627
12 73651287679
13 90205
14 5069
15 5533707
16 13117
17 58385
18 791716066017
19 5589
20 21214381292
21 3802401
22 509437122973
23 167
24 1261552
25 6001
26 1144853
27 3111
28 6952504
29 143573

List of values

[381713, 58651, 12301, 2861, 1656278791, 547, 5179643, 214, 2719331, 26627, 73651287679, 90205, 5069, 5533707, 13117, 58385, 791716066017, 5589, 21214381292, 3802401, 509437122973, 167, 1261552, 6001, 1144853, 3111, 6952504, 143573]