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.

A339860 Perimeter of primitive integer-sided triangles whose sides a < b < c form a geometric progression.

Table of values

n a(n)
1 19
2 37
3 61
4 91
5 109
6 129
7 127
8 169
9 193
10 219
11 247
12 217
13 273
14 271
15 301
16 367
17 403
18 331
19 399
20 397
21 433
22 471
23 511
24 553
25 597
26 469
27 637
28 733
29 547
30 589
31 633
32 679
33 727
34 777
35 829
36 883
37 631
38 723
39 823
40 721
41 769
42 871
43 1039
44 1099
45 817
46 921
47 1033
48 1153
49 1281
50 919
51 973
52 1029
53 1087

List of values

[19, 37, 61, 91, 109, 129, 127, 169, 193, 219, 247, 217, 273, 271, 301, 367, 403, 331, 399, 397, 433, 471, 511, 553, 597, 469, 637, 733, 547, 589, 633, 679, 727, 777, 829, 883, 631, 723, 823, 721, 769, 871, 1039, 1099, 817, 921, 1033, 1153, 1281, 919, 973, 1029, 1087]