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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.

A198467 Consider triples a<=b where (a^2+b^2-c^2)/(c-a-b) = -1, ordered by a and then b; sequence gives b values.

Table of values

n a(n)
1 3
2 6
3 10
4 7
5 15
6 10
7 21
8 28
9 11
10 36
11 14
12 22
13 45
14 27
15 55
16 15
17 21
18 66
19 18
20 25
21 78
22 45
23 91
24 15
25 19
26 34
27 52
28 105
29 22
30 39
31 120
32 136
33 23
34 50
35 76
36 153
37 26
38 56
39 85
40 171
41 36
42 46
43 190
44 27
45 40
46 51
47 69
48 210
49 30
50 36
51 76
52 115
53 231
54 126
55 253
56 31
57 91
58 276
59 34
60 58
61 99
62 300

List of values

[3, 6, 10, 7, 15, 10, 21, 28, 11, 36, 14, 22, 45, 27, 55, 15, 21, 66, 18, 25, 78, 45, 91, 15, 19, 34, 52, 105, 22, 39, 120, 136, 23, 50, 76, 153, 26, 56, 85, 171, 36, 46, 190, 27, 40, 51, 69, 210, 30, 36, 76, 115, 231, 126, 253, 31, 91, 276, 34, 58, 99, 300]

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