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.

A335897 Perimeters of primitive integer-sided triangles whose angles A < B < C are in arithmetic order.

Table of values

n a(n)
1 18
2 20
3 35
4 36
5 45
6 56
7 77
8 90
9 84
10 110
11 104
12 126
13 120
14 143
15 135
16 182
17 176
18 189
19 170
20 216
21 210
22 221
23 198
24 272
25 209
26 270
27 264
28 266
29 260
30 297
31 252
32 323
33 273
34 380
35 299
36 396
37 351
38 374
39 368
40 390
41 378
42 437
43 350
44 468
45 425
46 462
47 360
48 506
49 494
50 495
51 432
52 575
53 476
54 585
55 464
56 630

List of values

[18, 20, 35, 36, 45, 56, 77, 90, 84, 110, 104, 126, 120, 143, 135, 182, 176, 189, 170, 216, 210, 221, 198, 272, 209, 270, 264, 266, 260, 297, 252, 323, 273, 380, 299, 396, 351, 374, 368, 390, 378, 437, 350, 468, 425, 462, 360, 506, 494, 495, 432, 575, 476, 585, 464, 630]

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

Content is available under The OEIS End-User License Agreement.