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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.

A070151 a(n) is one fourth of the even leg of the unique primitive Pythagorean triangle with hypotenuse A002144(n).

Table of values

n a(n)
1 1
2 3
3 2
4 5
5 3
6 10
7 7
8 15
9 12
10 20
11 18
12 5
13 15
14 28
15 22
16 35
17 33
18 13
19 45
20 42
21 7
22 15
23 52
24 30
25 8
26 65
27 63
28 40
29 17
30 78
31 77
32 72
33 45
34 68
35 63
36 85
37 57
38 10
39 30
40 105
41 102
42 70
43 42
44 95
45 55
46 110
47 105
48 133
49 130
50 12
51 92
52 60
53 153
54 152
55 50
56 143
57 75
58 138
59 13
60 65
61 165
62 27
63 117
64 190
65 150
66 187
67 143
68 70

List of values

[1, 3, 2, 5, 3, 10, 7, 15, 12, 20, 18, 5, 15, 28, 22, 35, 33, 13, 45, 42, 7, 15, 52, 30, 8, 65, 63, 40, 17, 78, 77, 72, 45, 68, 63, 85, 57, 10, 30, 105, 102, 70, 42, 95, 55, 110, 105, 133, 130, 12, 92, 60, 153, 152, 50, 143, 75, 138, 13, 65, 165, 27, 117, 190, 150, 187, 143, 70]

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

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