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.

A243175 Numbers of the form x^2 + xy + 7y^2.

Table of values

n a(n)
1 0
2 1
3 4
4 7
5 9
6 13
7 16
8 19
9 25
10 27
11 28
12 31
13 36
14 37
15 43
16 49
17 52
18 61
19 63
20 64
21 67
22 73
23 76
24 79
25 81
26 91
27 97
28 100
29 103
30 108
31 109
32 112
33 117
34 121
35 124
36 127
37 133
38 139
39 144
40 148
41 151
42 157
43 163
44 169
45 171
46 172
47 175
48 181
49 189
50 193
51 196
52 199
53 208
54 211
55 217
56 223
57 225
58 229
59 241
60 243
61 244
62 247
63 252
64 256
65 259
66 268
67 271
68 277
69 279
70 283
71 289
72 292
73 301
74 304
75 307
76 313
77 316
78 324
79 325

List of values

[0, 1, 4, 7, 9, 13, 16, 19, 25, 27, 28, 31, 36, 37, 43, 49, 52, 61, 63, 64, 67, 73, 76, 79, 81, 91, 97, 100, 103, 108, 109, 112, 117, 121, 124, 127, 133, 139, 144, 148, 151, 157, 163, 169, 171, 172, 175, 181, 189, 193, 196, 199, 208, 211, 217, 223, 225, 229, 241, 243, 244, 247, 252, 256, 259, 268, 271, 277, 279, 283, 289, 292, 301, 304, 307, 313, 316, 324, 325]