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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.

A020890 Ordered set of (b + c - a)/2 as (a,b,c) runs through all primitive Pythagorean triples with a < b < c.

Table of values

n a(n)
1 3
2 10
3 12
4 15
5 21
6 30
7 35
8 36
9 40
10 44
11 52
12 55
13 56
14 63
15 65
16 70
17 77
18 78
19 85
20 90
21 99
22 102
23 105
24 114
25 117
26 119
27 126
28 132
29 133
30 136
31 143
32 152
33 154
34 161
35 165
36 168
37 171
38 176
39 182
40 184
41 187
42 195
43 198
44 200
45 207
46 208
47 210
48 216
49 221
50 225
51 230
52 234
53 240
54 247
55 253
56 255
57 260
58 261
59 270

List of values

[3, 10, 12, 15, 21, 30, 35, 36, 40, 44, 52, 55, 56, 63, 65, 70, 77, 78, 85, 90, 99, 102, 105, 114, 117, 119, 126, 132, 133, 136, 143, 152, 154, 161, 165, 168, 171, 176, 182, 184, 187, 195, 198, 200, 207, 208, 210, 216, 221, 225, 230, 234, 240, 247, 253, 255, 260, 261, 270]

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

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