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.

A242661 Nonnegative integers of the form x^2 + 4xy - 2y^2.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 9
6 10
7 12
8 16
9 19
10 25
11 27
12 30
13 36
14 40
15 43
16 46
17 48
18 49
19 57
20 58
21 64
22 67
23 73
24 75
25 76
26 81
27 90
28 94
29 97
30 100
31 106
32 108
33 115
34 120
35 121
36 129
37 138
38 139
39 142
40 144
41 145
42 147
43 160
44 163
45 169
46 171
47 172
48 174
49 184
50 190
51 192
52 193
53 196
54 201
55 202
56 211
57 219
58 225
59 228
60 232
61 235
62 241
63 243
64 250
65 256
66 265
67 268
68 270
69 282
70 283
71 289
72 291
73 292
74 298
75 300

List of values

[0, 1, 3, 4, 9, 10, 12, 16, 19, 25, 27, 30, 36, 40, 43, 46, 48, 49, 57, 58, 64, 67, 73, 75, 76, 81, 90, 94, 97, 100, 106, 108, 115, 120, 121, 129, 138, 139, 142, 144, 145, 147, 160, 163, 169, 171, 172, 174, 184, 190, 192, 193, 196, 201, 202, 211, 219, 225, 228, 232, 235, 241, 243, 250, 256, 265, 268, 270, 282, 283, 289, 291, 292, 298, 300]