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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.

A196121 Positive integers c for which there is a 4-Pythagorean triple (a,b,c) satisfying a<=b.

Table of values

n a(n)
1 13
2 11
3 37
4 26
5 23
6 73
7 22
8 47
9 39
10 121
11 74
12 59
13 181
14 33
15 52
16 107
17 83
18 253
19 46
20 146
21 65
22 111
23 337
24 44
25 61
26 94
27 191
28 143
29 433
30 78
31 242
32 179
33 541
34 55
35 71
36 97
37 148
38 299
39 69
40 91
41 219
42 661
43 118
44 362
45 263
46 793
47 66
48 104
49 141
50 214
51 431
52 185
53 311
54 937
55 166
56 506

List of values

[13, 11, 37, 26, 23, 73, 22, 47, 39, 121, 74, 59, 181, 33, 52, 107, 83, 253, 46, 146, 65, 111, 337, 44, 61, 94, 191, 143, 433, 78, 242, 179, 541, 55, 71, 97, 148, 299, 69, 91, 219, 661, 118, 362, 263, 793, 66, 104, 141, 214, 431, 185, 311, 937, 166, 506]