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.

A243179 Numbers of the form 3x^2+xy+3y^2.

Table of values

n a(n)
1 0
2 3
3 5
4 7
5 12
6 13
7 17
8 20
9 27
10 28
11 33
12 45
13 47
14 48
15 52
16 55
17 63
18 68
19 73
20 75
21 77
22 80
23 83
24 87
25 97
26 103
27 105
28 108
29 112
30 117
31 125
32 132
33 143
34 145
35 147
36 153
37 157
38 167
39 173
40 175
41 180
42 187
43 188
44 192
45 195
46 203
47 208
48 213
49 220
50 223
51 227
52 237
53 243
54 245
55 252
56 255
57 257
58 272
59 273
60 283
61 292
62 293
63 297
64 300
65 307
66 308
67 313
68 320
69 325
70 327
71 332
72 343
73 348
74 353
75 355
76 357
77 363
78 367

List of values

[0, 3, 5, 7, 12, 13, 17, 20, 27, 28, 33, 45, 47, 48, 52, 55, 63, 68, 73, 75, 77, 80, 83, 87, 97, 103, 105, 108, 112, 117, 125, 132, 143, 145, 147, 153, 157, 167, 173, 175, 180, 187, 188, 192, 195, 203, 208, 213, 220, 223, 227, 237, 243, 245, 252, 255, 257, 272, 273, 283, 292, 293, 297, 300, 307, 308, 313, 320, 325, 327, 332, 343, 348, 353, 355, 357, 363, 367]