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.

A283205 Numbers of the form x^2 + y^2 with x and y integers such that x + 3*y is a square.

Table of values

n a(n)
1 0
2 1
3 2
4 5
5 8
6 9
7 10
8 13
9 16
10 17
11 25
12 26
13 29
14 32
15 34
16 37
17 40
18 50
19 53
20 58
21 61
22 65
23 73
24 74
25 80
26 81
27 85
28 90
29 104
30 109
31 117
32 125
33 128
34 130
35 136
36 137
37 144
38 145
39 146
40 160
41 162
42 170
43 178
44 185
45 193
46 202
47 208
48 221
49 229
50 232
51 241
52 245
53 250
54 256
55 257
56 265
57 269
58 272
59 274
60 281

List of values

[0, 1, 2, 5, 8, 9, 10, 13, 16, 17, 25, 26, 29, 32, 34, 37, 40, 50, 53, 58, 61, 65, 73, 74, 80, 81, 85, 90, 104, 109, 117, 125, 128, 130, 136, 137, 144, 145, 146, 160, 162, 170, 178, 185, 193, 202, 208, 221, 229, 232, 241, 245, 250, 256, 257, 265, 269, 272, 274, 281]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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