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.

A005818 Numbers n that are primitive solutions to n^2 = a^2 + b^2 + c^2 (a,b,c > 0).

Table of values

n a(n)
1 3
2 7
3 9
4 11
5 13
6 15
7 17
8 19
9 21
10 23
11 25
12 27
13 29
14 31
15 33
16 35
17 37
18 39
19 41
20 43
21 45
22 47
23 49
24 51
25 53
26 55
27 57
28 59
29 61
30 63
31 65
32 67
33 69
34 71
35 73
36 75
37 77
38 79
39 81
40 83
41 85
42 87
43 89
44 91
45 93
46 95
47 97
48 99
49 101
50 103
51 105
52 107
53 109
54 111
55 113
56 115
57 117
58 119
59 121
60 123
61 125
62 127
63 129
64 131

List of values

[3, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131]

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

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