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.

A346591 Composite numbers k such that A006577(k) sets a new record.

Table of values

n a(n)
1 4
2 6
3 9
4 18
5 25
6 27
7 54
8 108
9 129
10 171
11 231
12 327
13 649
14 703
15 871
16 1161
17 2223
18 2463
19 2919
20 3711
21 6171
22 10971
23 13255
24 17647
25 23529
26 26623
27 34239
28 35655
29 52527
30 77031
31 106239
32 142587
33 156159
34 216367
35 230631
36 410011
37 511935
38 626331
39 837799
40 1117065
41 1501353
42 1723519

List of values

[4, 6, 9, 18, 25, 27, 54, 108, 129, 171, 231, 327, 649, 703, 871, 1161, 2223, 2463, 2919, 3711, 6171, 10971, 13255, 17647, 23529, 26623, 34239, 35655, 52527, 77031, 106239, 142587, 156159, 216367, 230631, 410011, 511935, 626331, 837799, 1117065, 1501353, 1723519]