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.

A243165 Nonnegative integers of the form 2x^2 + 4xy - 3y^2.

Table of values

n a(n)
1 0
2 2
3 3
4 5
5 8
6 12
7 13
8 18
9 20
10 27
11 30
12 32
13 37
14 43
15 45
16 48
17 50
18 52
19 53
20 62
21 67
22 72
23 75
24 78
25 80
26 82
27 83
28 93
29 98
30 107
31 108
32 117
33 120
34 123
35 125
36 128
37 130
38 142
39 147
40 148
41 155
42 157
43 158
44 162
45 163
46 172
47 173
48 178
49 180
50 192
51 195
52 197
53 200
54 205
55 208
56 212
57 213
58 222
59 227
60 237
61 242
62 243
63 245
64 248
65 258
66 267
67 268
68 270
69 277
70 283

List of values

[0, 2, 3, 5, 8, 12, 13, 18, 20, 27, 30, 32, 37, 43, 45, 48, 50, 52, 53, 62, 67, 72, 75, 78, 80, 82, 83, 93, 98, 107, 108, 117, 120, 123, 125, 128, 130, 142, 147, 148, 155, 157, 158, 162, 163, 172, 173, 178, 180, 192, 195, 197, 200, 205, 208, 212, 213, 222, 227, 237, 242, 243, 245, 248, 258, 267, 268, 270, 277, 283]