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.

A242660 Nonnegative numbers of the form x^2+xy-2y^2.

Table of values

n a(n)
1 0
2 1
3 4
4 7
5 9
6 10
7 13
8 16
9 18
10 19
11 22
12 25
13 27
14 28
15 31
16 34
17 36
18 37
19 40
20 43
21 45
22 46
23 49
24 52
25 54
26 55
27 58
28 61
29 63
30 64
31 67
32 70
33 72
34 73
35 76
36 79
37 81
38 82
39 85
40 88
41 90
42 91
43 94
44 97
45 99
46 100
47 103
48 106
49 108
50 109
51 112
52 115
53 117
54 118
55 121
56 124
57 126
58 127
59 130
60 133
61 135
62 136
63 139
64 142
65 144
66 145
67 148
68 151
69 153
70 154
71 157
72 160
73 162
74 163
75 166
76 169
77 171
78 172
79 175
80 178
81 180
82 181

List of values

[0, 1, 4, 7, 9, 10, 13, 16, 18, 19, 22, 25, 27, 28, 31, 34, 36, 37, 40, 43, 45, 46, 49, 52, 54, 55, 58, 61, 63, 64, 67, 70, 72, 73, 76, 79, 81, 82, 85, 88, 90, 91, 94, 97, 99, 100, 103, 106, 108, 109, 112, 115, 117, 118, 121, 124, 126, 127, 130, 133, 135, 136, 139, 142, 144, 145, 148, 151, 153, 154, 157, 160, 162, 163, 166, 169, 171, 172, 175, 178, 180, 181]