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.

A198459 Consider triples a<=b where (a^2+b^2-c^2)/(c-a-b) = 2, ordered by a and then b; sequence gives b values.

Table of values

n a(n)
1 6
2 4
3 16
4 10
5 8
6 30
7 18
8 14
9 48
10 12
11 28
12 70
13 18
14 40
15 16
16 30
17 96
18 25
19 54
20 22
21 40
22 126
23 20
24 33
25 70
26 160
27 26
28 42
29 88
30 24
31 64
32 198
33 52
34 108
35 30
36 78
37 240
38 28
39 40
40 63
41 130
42 54
43 286
44 34
45 48
46 75
47 154
48 32
49 64
50 110
51 336
52 88
53 180
54 38
55 128
56 390
57 28
58 36
59 66
60 102
61 208
62 448
63 33
64 42

List of values

[6, 4, 16, 10, 8, 30, 18, 14, 48, 12, 28, 70, 18, 40, 16, 30, 96, 25, 54, 22, 40, 126, 20, 33, 70, 160, 26, 42, 88, 24, 64, 198, 52, 108, 30, 78, 240, 28, 40, 63, 130, 54, 286, 34, 48, 75, 154, 32, 64, 110, 336, 88, 180, 38, 128, 390, 28, 36, 66, 102, 208, 448, 33, 42]

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

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