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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.

A227112 Numbers n such that there exist two primes p and q where the area A of the triangle of sides (n, p, q) is an integer.

Table of values

n a(n)
1 4
2 6
3 8
4 10
5 12
6 16
7 18
8 20
9 22
10 24
11 26
12 30
13 38
14 40
15 42
16 50
17 56
18 60
19 68
20 70
21 78
22 80
23 90
24 96
25 100
26 102
27 104
28 110
29 120
30 130
31 144
32 148
33 150
34 156
35 160
36 170
37 174
38 180
39 182
40 198
41 210
42 224
43 234
44 240
45 286
46 290
47 300
48 312
49 350
50 360
51 370
52 390
53 400
54 440
55 510
56 520
57 548

List of values

[4, 6, 8, 10, 12, 16, 18, 20, 22, 24, 26, 30, 38, 40, 42, 50, 56, 60, 68, 70, 78, 80, 90, 96, 100, 102, 104, 110, 120, 130, 144, 148, 150, 156, 160, 170, 174, 180, 182, 198, 210, 224, 234, 240, 286, 290, 300, 312, 350, 360, 370, 390, 400, 440, 510, 520, 548]

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

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