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.

A285319 Squarefree numbers n for which A019565(n) < n and A048675(n) is also squarefree.

Table of values

n a(n)
1 66
2 129
3 130
4 258
5 514
6 1034
7 1041
8 1042
9 2049
10 2054
11 2055
12 2066
13 2082
14 2114
15 4098
16 4101
17 4102
18 4130
19 4161
20 4162
21 4226
22 4353
23 4354
24 4610
25 5122
26 8193
27 8198
28 8202
29 8205
30 8206
31 8210
32 8211
33 8229
34 8259
35 8706
36 9218
37 9219
38 12291

List of values

[66, 129, 130, 258, 514, 1034, 1041, 1042, 2049, 2054, 2055, 2066, 2082, 2114, 4098, 4101, 4102, 4130, 4161, 4162, 4226, 4353, 4354, 4610, 5122, 8193, 8198, 8202, 8205, 8206, 8210, 8211, 8229, 8259, 8706, 9218, 9219, 12291]

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

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