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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.

A097239 Numbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 17 ways.

Table of values

n a(n)
1 21125
2 36125
3 42250
4 54925
5 63375
6 72250
7 84500
8 105125
9 108375
10 109850
11 122825
12 126750
13 144500
14 147875
15 164775
16 169000
17 171125
18 190125
19 210125
20 210250
21 216750
22 219700
23 232375
24 245650
25 252875
26 253500
27 289000
28 295750
29 315375
30 325125
31 329550

List of values

[21125, 36125, 42250, 54925, 63375, 72250, 84500, 105125, 108375, 109850, 122825, 126750, 144500, 147875, 164775, 169000, 171125, 190125, 210125, 210250, 216750, 219700, 232375, 245650, 252875, 253500, 289000, 295750, 315375, 325125, 329550]