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.

A283656 Numbers n such that gcd(phi(n), n-1) > lambda(n).

Table of values

n a(n)
1 65
2 91
3 217
4 273
5 451
6 481
7 703
8 793
9 1281
10 1729
11 1891
12 1921
13 2465
14 2701
15 3201
16 4033
17 4097
18 4681
19 5833
20 6643
21 6697
22 7105
23 7161
24 8321
25 8401
26 8911
27 9073
28 10649
29 11041
30 11476
31 11521
32 12403
33 12545
34 13051
35 14689
36 14701
37 15841
38 16385
39 16401
40 16471
41 18361
42 18705
43 18721
44 19684
45 19951
46 20801
47 21953
48 22177
49 22681
50 23001

List of values

[65, 91, 217, 273, 451, 481, 703, 793, 1281, 1729, 1891, 1921, 2465, 2701, 3201, 4033, 4097, 4681, 5833, 6643, 6697, 7105, 7161, 8321, 8401, 8911, 9073, 10649, 11041, 11476, 11521, 12403, 12545, 13051, 14689, 14701, 15841, 16385, 16401, 16471, 18361, 18705, 18721, 19684, 19951, 20801, 21953, 22177, 22681, 23001]