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.

A331227 a(n) = numerator of squared radius R^2 of the circumcircle of the n-th triangle with integer sides i <= j <= k in a list of such triangles, the list being sorted by increasing size of R. Denominators are A331228.

Table of values

n a(n)
1 1
2 16
3 4
4 16
5 81
6 81
7 3
8 81
9 256
10 64
11 64
12 256
13 16
14 25
15 625
16 625
17 256
18 625
19 1600
20 81
21 625
22 25
23 2025
24 1296
25 64
26 64
27 324
28 48
29 625
30 81
31 400
32 1296
33 5184
34 12
35 625
36 3136
37 2401
38 3969
39 2401
40 1225
41 1225
42 2401
43 2401
44 1296
45 2401
46 784
47 2401
48 50176
49 6400
50 4096
51 81
52 1024
53 49
54 49
55 49
56 49

List of values

[1, 16, 4, 16, 81, 81, 3, 81, 256, 64, 64, 256, 16, 25, 625, 625, 256, 625, 1600, 81, 625, 25, 2025, 1296, 64, 64, 324, 48, 625, 81, 400, 1296, 5184, 12, 625, 3136, 2401, 3969, 2401, 1225, 1225, 2401, 2401, 1296, 2401, 784, 2401, 50176, 6400, 4096, 81, 1024, 49, 49, 49, 49]