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.

A278560 Numbers of the form x^2 + y^2 + z^2 with x + 3*y + 5*z a square, where x, y and z are nonnegative integers.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 8
6 9
7 10
8 13
9 14
10 16
11 17
12 19
13 21
14 25
15 26
16 29
17 30
18 32
19 37
20 38
21 40
22 41
23 42
24 46
25 48
26 49
27 50
28 51
29 54
30 58
31 59
32 65
33 66
34 69
35 70
36 72
37 73
38 74
39 77
40 78
41 81
42 83
43 85
44 89
45 90
46 97
47 98
48 101
49 102
50 104
51 105
52 106
53 109
54 114
55 117
56 118
57 120
58 122
59 125
60 128
61 129
62 130
63 131
64 134
65 136
66 138
67 139
68 144
69 145
70 146

List of values

[0, 1, 2, 3, 8, 9, 10, 13, 14, 16, 17, 19, 21, 25, 26, 29, 30, 32, 37, 38, 40, 41, 42, 46, 48, 49, 50, 51, 54, 58, 59, 65, 66, 69, 70, 72, 73, 74, 77, 78, 81, 83, 85, 89, 90, 97, 98, 101, 102, 104, 105, 106, 109, 114, 117, 118, 120, 122, 125, 128, 129, 130, 131, 134, 136, 138, 139, 144, 145, 146]