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.

A167181 Squarefree numbers such that all prime factors are == 3 mod 4.

Table of values

n a(n)
1 1
2 3
3 7
4 11
5 19
6 21
7 23
8 31
9 33
10 43
11 47
12 57
13 59
14 67
15 69
16 71
17 77
18 79
19 83
20 93
21 103
22 107
23 127
24 129
25 131
26 133
27 139
28 141
29 151
30 161
31 163
32 167
33 177
34 179
35 191
36 199
37 201
38 209
39 211
40 213
41 217
42 223
43 227
44 231
45 237
46 239
47 249
48 251
49 253
50 263
51 271
52 283
53 301
54 307
55 309
56 311
57 321
58 329

List of values

[1, 3, 7, 11, 19, 21, 23, 31, 33, 43, 47, 57, 59, 67, 69, 71, 77, 79, 83, 93, 103, 107, 127, 129, 131, 133, 139, 141, 151, 161, 163, 167, 177, 179, 191, 199, 201, 209, 211, 213, 217, 223, 227, 231, 237, 239, 249, 251, 253, 263, 271, 283, 301, 307, 309, 311, 321, 329]