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.

A070143 Numbers n such that [A070080(n), A070081(n), A070082(n)] is an integer triangle with integer area, having relatively prime side lengths.

Table of values

n a(n)
1 17
2 39
3 52
4 212
5 252
6 368
7 375
8 493
9 561
10 587
11 659
12 839
13 957
14 972
15 1156
16 1186
17 1196
18 1297
19 1582
20 1912
21 1955
22 1971
23 2115
24 2352
25 2555
26 2574
27 2713
28 3251
29 3473
30 3728
31 3746
32 4286
33 4298
34 4313
35 4319
36 4330
37 5251
38 5272
39 5378

List of values

[17, 39, 52, 212, 252, 368, 375, 493, 561, 587, 659, 839, 957, 972, 1156, 1186, 1196, 1297, 1582, 1912, 1955, 1971, 2115, 2352, 2555, 2574, 2713, 3251, 3473, 3728, 3746, 4286, 4298, 4313, 4319, 4330, 5251, 5272, 5378]