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.

A020886 Ordered semiperimeters of primitive Pythagorean triangles.

Table of values

n a(n)
1 6
2 15
3 20
4 28
5 35
6 42
7 45
8 63
9 66
10 72
11 77
12 88
13 91
14 99
15 104
16 110
17 117
18 120
19 130
20 143
21 153
22 156
23 165
24 170
25 187
26 190
27 195
28 204
29 209
30 210
31 221
32 228
33 231
34 238
35 247
36 255
37 266
38 272
39 273
40 276
41 285
42 299
43 304
44 322
45 323
46 325
47 336
48 342
49 345
50 350
51 357
52 368
53 378
54 391
55 399

List of values

[6, 15, 20, 28, 35, 42, 45, 63, 66, 72, 77, 88, 91, 99, 104, 110, 117, 120, 130, 143, 153, 156, 165, 170, 187, 190, 195, 204, 209, 210, 221, 228, 231, 238, 247, 255, 266, 272, 273, 276, 285, 299, 304, 322, 323, 325, 336, 342, 345, 350, 357, 368, 378, 391, 399]