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.

A264012 Composite numbers n such that gcd(phi(n), n-1) = lambda(n), where lambda(n) = A002322(n).

Table of values

n a(n)
1 561
2 1105
3 2821
4 6601
5 10585
6 29341
7 52633
8 62745
9 63973
10 101101
11 115921
12 126217
13 188461
14 252601
15 278545
16 294409
17 410041
18 512461
19 552721
20 748657
21 825265
22 1152271
23 1193221
24 2100901
25 2508013
26 2531845
27 3146221
28 4335241
29 4767841
30 4909177
31 5444489
32 5481451
33 6049681

List of values

[561, 1105, 2821, 6601, 10585, 29341, 52633, 62745, 63973, 101101, 115921, 126217, 188461, 252601, 278545, 294409, 410041, 512461, 552721, 748657, 825265, 1152271, 1193221, 2100901, 2508013, 2531845, 3146221, 4335241, 4767841, 4909177, 5444489, 5481451, 6049681]

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

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