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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.

A339857 Smallest side of integer-sided primitive triangles whose sides a < b < c form a geometric progression.

Table of values

n a(n)
1 4
2 9
3 16
4 25
5 25
6 25
7 36
8 49
9 49
10 49
11 49
12 64
13 64
14 81
15 81
16 81
17 81
18 100
19 100
20 121
21 121
22 121
23 121
24 121
25 121
26 144
27 144
28 144
29 169
30 169
31 169
32 169
33 169
34 169
35 169
36 169
37 196
38 196
39 196
40 225
41 225
42 225
43 225
44 225
45 256
46 256
47 256
48 256
49 256
50 289
51 289
52 289
53 289
54 289
55 289
56 289
57 289
58 289
59 289

List of values

[4, 9, 16, 25, 25, 25, 36, 49, 49, 49, 49, 64, 64, 81, 81, 81, 81, 100, 100, 121, 121, 121, 121, 121, 121, 144, 144, 144, 169, 169, 169, 169, 169, 169, 169, 169, 196, 196, 196, 225, 225, 225, 225, 225, 256, 256, 256, 256, 256, 289, 289, 289, 289, 289, 289, 289, 289, 289, 289]

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

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