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.

A243169 Nonnegative integers of the form -x^2 + 6xy + 3y^2.

Table of values

n a(n)
1 0
2 3
3 8
4 11
5 12
6 23
7 27
8 32
9 39
10 44
11 47
12 48
13 59
14 71
15 72
16 75
17 83
18 92
19 99
20 104
21 107
22 108
23 111
24 128
25 131
26 143
27 147
28 156
29 167
30 176
31 179
32 183
33 188
34 191
35 192
36 200
37 207
38 219
39 227
40 236
41 239
42 243
43 251
44 263
45 264
46 275
47 284
48 288
49 291
50 296
51 299
52 300
53 311
54 327
55 332
56 347
57 351
58 359
59 363
60 368
61 383
62 392
63 396
64 407
65 416
66 419
67 423
68 428
69 431
70 432
71 443
72 444
73 467
74 471
75 479
76 488

List of values

[0, 3, 8, 11, 12, 23, 27, 32, 39, 44, 47, 48, 59, 71, 72, 75, 83, 92, 99, 104, 107, 108, 111, 128, 131, 143, 147, 156, 167, 176, 179, 183, 188, 191, 192, 200, 207, 219, 227, 236, 239, 243, 251, 263, 264, 275, 284, 288, 291, 296, 299, 300, 311, 327, 332, 347, 351, 359, 363, 368, 383, 392, 396, 407, 416, 419, 423, 428, 431, 432, 443, 444, 467, 471, 479, 488]