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.

A343892 Side b of integer-sided primitive triangles (a, b, c) where side a is the harmonic mean of the 2 other sides b and c, i.e., 2/a = 1/b + 1/c with b < a < c.

Table of values

n a(n)
1 3
2 10
3 12
4 15
5 21
6 30
7 36
8 35
9 40
10 44
11 55
12 56
13 52
14 63
15 65
16 78
17 70
18 90
19 77
20 105
21 99
22 85
23 102
24 119
25 132
26 136
27 117
28 114
29 143
30 133
31 126
32 152
33 171
34 154
35 182
36 168
37 165
38 210
39 195
40 161
41 176
42 184
43 208
44 207
45 187
46 240
47 230
48 253
49 200
50 221
51 198
52 255
53 225
54 234
55 216
56 275
57 300
58 306
59 247
60 270

List of values

[3, 10, 12, 15, 21, 30, 36, 35, 40, 44, 55, 56, 52, 63, 65, 78, 70, 90, 77, 105, 99, 85, 102, 119, 132, 136, 117, 114, 143, 133, 126, 152, 171, 154, 182, 168, 165, 210, 195, 161, 176, 184, 208, 207, 187, 240, 230, 253, 200, 221, 198, 255, 225, 234, 216, 275, 300, 306, 247, 270]

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

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