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.

A242655 Numbers of the form 2x^2+2xy+3y^2 with x and y nonnegative.

Table of values

n a(n)
1 0
2 2
3 3
4 7
5 8
6 12
7 15
8 18
9 27
10 28
11 32
12 35
13 42
14 43
15 47
16 48
17 50
18 58
19 60
20 63
21 72
22 75
23 82
24 83
25 87
26 90
27 98
28 103
29 107
30 108
31 112
32 115
33 122
34 123
35 128
36 135
37 138
38 140
39 147
40 162
41 163
42 167
43 168
44 172
45 175
46 183
47 188
48 192
49 200
50 202
51 203
52 207
53 210
54 218
55 223
56 232
57 235
58 240
59 242
60 243
61 252
62 258
63 263
64 267
65 282
66 283
67 287
68 288
69 290
70 298
71 300

List of values

[0, 2, 3, 7, 8, 12, 15, 18, 27, 28, 32, 35, 42, 43, 47, 48, 50, 58, 60, 63, 72, 75, 82, 83, 87, 90, 98, 103, 107, 108, 112, 115, 122, 123, 128, 135, 138, 140, 147, 162, 163, 167, 168, 172, 175, 183, 188, 192, 200, 202, 203, 207, 210, 218, 223, 232, 235, 240, 242, 243, 252, 258, 263, 267, 282, 283, 287, 288, 290, 298, 300]