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.

A034017 Numbers that are primitively represented by x^2 + xy + y^2.

Table of values

n a(n)
1 0
2 1
3 3
4 7
5 13
6 19
7 21
8 31
9 37
10 39
11 43
12 49
13 57
14 61
15 67
16 73
17 79
18 91
19 93
20 97
21 103
22 109
23 111
24 127
25 129
26 133
27 139
28 147
29 151
30 157
31 163
32 169
33 181
34 183
35 193
36 199
37 201
38 211
39 217
40 219
41 223
42 229
43 237
44 241
45 247
46 259
47 271
48 273
49 277
50 283
51 291
52 301
53 307
54 309
55 313
56 327
57 331

List of values

[0, 1, 3, 7, 13, 19, 21, 31, 37, 39, 43, 49, 57, 61, 67, 73, 79, 91, 93, 97, 103, 109, 111, 127, 129, 133, 139, 147, 151, 157, 163, 169, 181, 183, 193, 199, 201, 211, 217, 219, 223, 229, 237, 241, 247, 259, 271, 273, 277, 283, 291, 301, 307, 309, 313, 327, 331]