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.

A248398 Noncongruent squarefree numbers n with A248394(n)/d(n) = -1, where d(n) = A000005(n).

Table of values

n a(n)
1 11
2 19
3 35
4 67
5 91
6 105
7 115
8 123
9 129
10 179
11 195
12 201
13 227
14 235
15 249
16 273
17 347
18 393
19 403
20 419
21 427
22 435
23 473
24 483
25 563
26 611
27 635
28 683
29 691
30 705
31 715
32 739
33 753
34 779
35 787
36 795
37 817
38 843
39 851
40 993
41 1051
42 1115
43 1121
44 1123
45 1177
46 1209
47 1265
48 1347
49 1401
50 1435
51 1441

List of values

[11, 19, 35, 67, 91, 105, 115, 123, 129, 179, 195, 201, 227, 235, 249, 273, 347, 393, 403, 419, 427, 435, 473, 483, 563, 611, 635, 683, 691, 705, 715, 739, 753, 779, 787, 795, 817, 843, 851, 993, 1051, 1115, 1121, 1123, 1177, 1209, 1265, 1347, 1401, 1435, 1441]