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.

A358946 Positive integers that are properly represented by each primitive binary quadratic form of discriminant 28 that is properly equivalent to the principal form [1, 4, -3].

Table of values

n a(n)
1 1
2 2
3 9
4 18
5 21
6 29
7 37
8 42
9 53
10 57
11 58
12 74
13 81
14 93
15 106
16 109
17 113
18 114
19 133
20 137
21 141
22 149
23 162
24 177
25 186
26 189
27 193
28 197
29 217
30 218
31 226
32 233
33 249
34 261
35 266
36 274
37 277
38 281
39 282
40 298
41 309
42 317
43 329
44 333
45 337
46 354
47 361
48 373
49 378
50 386
51 389
52 393
53 394
54 401
55 413
56 417
57 421
58 434
59 449
60 457
61 466
62 477
63 498
64 501

List of values

[1, 2, 9, 18, 21, 29, 37, 42, 53, 57, 58, 74, 81, 93, 106, 109, 113, 114, 133, 137, 141, 149, 162, 177, 186, 189, 193, 197, 217, 218, 226, 233, 249, 261, 266, 274, 277, 281, 282, 298, 309, 317, 329, 333, 337, 354, 361, 373, 378, 386, 389, 393, 394, 401, 413, 417, 421, 434, 449, 457, 466, 477, 498, 501]