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.

A242662 Nonnegative integers of the form x^2 + 4xy - 3y^2.

Table of values

n a(n)
0 0
1 1
2 2
3 4
4 8
5 9
6 16
7 18
8 21
9 25
10 29
11 32
12 36
13 37
14 42
15 49
16 50
17 53
18 57
19 58
20 64
21 72
22 74
23 81
24 84
25 93
26 98
27 100
28 106
29 109
30 113
31 114
32 116
33 121
34 128
35 133
36 137
37 141
38 144
39 148
40 149
41 162
42 168
43 169
44 177
45 186
46 189
47 193
48 196
49 197
50 200
51 212
52 217
53 218
54 225
55 226
56 228
57 232
58 233
59 242
60 249
61 256
62 261
63 266
64 274
65 277
66 281
67 282
68 288
69 289
70 296
71 298

List of values

[0, 1, 2, 4, 8, 9, 16, 18, 21, 25, 29, 32, 36, 37, 42, 49, 50, 53, 57, 58, 64, 72, 74, 81, 84, 93, 98, 100, 106, 109, 113, 114, 116, 121, 128, 133, 137, 141, 144, 148, 149, 162, 168, 169, 177, 186, 189, 193, 196, 197, 200, 212, 217, 218, 225, 226, 228, 232, 233, 242, 249, 256, 261, 266, 274, 277, 281, 282, 288, 289, 296, 298]