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.

A035243 Positive numbers of the form x^2+xy+5y^2 (discriminant -19).

Table of values

n a(n)
1 1
2 4
3 5
4 7
5 9
6 11
7 16
8 17
9 19
10 20
11 23
12 25
13 28
14 35
15 36
16 43
17 44
18 45
19 47
20 49
21 55
22 61
23 63
24 64
25 68
26 73
27 76
28 77
29 80
30 81
31 83
32 85
33 92
34 95
35 99
36 100
37 101
38 112
39 115
40 119
41 121
42 125
43 131
44 133
45 137
46 139
47 140
48 144
49 149
50 153
51 157
52 161
53 163
54 169
55 171
56 172
57 175
58 176
59 180
60 187
61 188
62 191
63 196
64 197
65 199
66 207
67 209
68 215
69 220
70 225
71 229
72 233
73 235
74 239
75 244
76 245
77 251
78 252
79 253
80 256

List of values

[1, 4, 5, 7, 9, 11, 16, 17, 19, 20, 23, 25, 28, 35, 36, 43, 44, 45, 47, 49, 55, 61, 63, 64, 68, 73, 76, 77, 80, 81, 83, 85, 92, 95, 99, 100, 101, 112, 115, 119, 121, 125, 131, 133, 137, 139, 140, 144, 149, 153, 157, 161, 163, 169, 171, 172, 175, 176, 180, 187, 188, 191, 196, 197, 199, 207, 209, 215, 220, 225, 229, 233, 235, 239, 244, 245, 251, 252, 253, 256]