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.

A334133 Numbers k > 2 such that gpf(A111076(k)^lambda(k) - 1) = gpf(lambda(k) + 1); where gpf is the greatest prime factor (A006530), and lambda = A002322 is the Carmichael function.

Table of values

n a(n)
1 3
2 5
3 6
4 9
5 10
6 12
7 13
8 15
9 16
10 20
11 21
12 24
13 30
14 35
15 39
16 40
17 45
18 60
19 63
20 65
21 80
22 91
23 105
24 117
25 120
26 195
27 240
28 273
29 315
30 455
31 585
32 819
33 1365
34 4095

List of values

[3, 5, 6, 9, 10, 12, 13, 15, 16, 20, 21, 24, 30, 35, 39, 40, 45, 60, 63, 65, 80, 91, 105, 117, 120, 195, 240, 273, 315, 455, 585, 819, 1365, 4095]

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

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