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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.

A185210 Areas A of the triangles such that A, the sides, the inradius and the radius of the three excircles are integers.

Table of values

n a(n)
1 6
2 24
3 30
4 42
5 48
6 54
7 60
8 84
9 96
10 108
11 120
12 144
13 150
14 156
15 168
16 180
17 192
18 210
19 216
20 240
21 270
22 294
23 330
24 336
25 378
26 384
27 390
28 420
29 432
30 462
31 480
32 486
33 504
34 510
35 528
36 540
37 546
38 576
39 594
40 600
41 624
42 630
43 672
44 714
45 720
46 726
47 750
48 756
49 768
50 810
51 840
52 864
53 924
54 930

List of values

[6, 24, 30, 42, 48, 54, 60, 84, 96, 108, 120, 144, 150, 156, 168, 180, 192, 210, 216, 240, 270, 294, 330, 336, 378, 384, 390, 420, 432, 462, 480, 486, 504, 510, 528, 540, 546, 576, 594, 600, 624, 630, 672, 714, 720, 726, 750, 756, 768, 810, 840, 864, 924, 930]

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

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