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.

A297878 1/4 of the even edges of primitive Pythagorean triangles with legs (b=A081872, c=A081859), ordered by semiperimeters.

Table of values

n a(n)
1 1
2 3
3 2
4 6
5 5
6 3
7 10
8 7
9 15
10 4
11 14
12 12
13 21
14 9
15 20
16 5
17 18
18 28
19 15
20 11
21 36
22 6
23 22
24 35
25 33
26 45
27 13
28 30
29 44
30 7
31 26
32 42
33 55
34 21
35 39
36 15
37 35
38 8
39 52
40 66
41 30
42 65
43 24
44 63
45 17
46 78
47 40
48 9
49 60
50 77
51 34
52 56
53 91
54 51
55 19
56 72
57 45
58 10
59 68
60 88
61 105
62 38
63 63
64 85
65 30
66 104
67 57
68 21
69 102
70 120
71 11
72 76
73 99
74 42
75 119
76 70
77 33
78 95

List of values

[1, 3, 2, 6, 5, 3, 10, 7, 15, 4, 14, 12, 21, 9, 20, 5, 18, 28, 15, 11, 36, 6, 22, 35, 33, 45, 13, 30, 44, 7, 26, 42, 55, 21, 39, 15, 35, 8, 52, 66, 30, 65, 24, 63, 17, 78, 40, 9, 60, 77, 34, 56, 91, 51, 19, 72, 45, 10, 68, 88, 105, 38, 63, 85, 30, 104, 57, 21, 102, 120, 11, 76, 99, 42, 119, 70, 33, 95]