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.

A243171 Nonnegative integers of the form 2*x^2+5*x*y-5*y^2.

Table of values

n a(n)
1 0
2 2
3 5
4 7
5 8
6 13
7 18
8 20
9 28
10 32
11 37
12 45
13 47
14 50
15 52
16 58
17 63
18 67
19 70
20 72
21 73
22 80
23 83
24 97
25 98
26 112
27 117
28 122
29 125
30 128
31 130
32 137
33 145
34 148
35 158
36 162
37 163
38 167
39 175
40 180
41 182
42 188
43 193
44 197
45 200
46 202
47 203
48 208
49 223
50 227
51 232
52 242
53 245
54 252
55 262
56 268
57 278
58 280
59 288
60 292
61 293
62 305
63 307
64 317
65 320
66 325
67 332
68 333
69 338
70 343
71 353
72 358
73 362
74 370
75 377
76 382
77 383

List of values

[0, 2, 5, 7, 8, 13, 18, 20, 28, 32, 37, 45, 47, 50, 52, 58, 63, 67, 70, 72, 73, 80, 83, 97, 98, 112, 117, 122, 125, 128, 130, 137, 145, 148, 158, 162, 163, 167, 175, 180, 182, 188, 193, 197, 200, 202, 203, 208, 223, 227, 232, 242, 245, 252, 262, 268, 278, 280, 288, 292, 293, 305, 307, 317, 320, 325, 332, 333, 338, 343, 353, 358, 362, 370, 377, 382, 383]