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.

A309424 Sum x+y of generator pairs (x, y) {x and y coprime and not both odd} of primitive Pythagorean triangles, sorted by x and y (for same x).

Table of values

n a(n)
1 3
2 5
3 5
4 7
5 7
6 9
7 7
8 11
9 9
10 11
11 13
12 9
13 11
14 13
15 15
16 11
17 13
18 17
19 11
20 13
21 17
22 19
23 13
24 15
25 17
26 19
27 21
28 13
29 17
30 19
31 23
32 15
33 17
34 19
35 21
36 23
37 25
38 15
39 17
40 19
41 23
42 25
43 27
44 17
45 19
46 23
47 29
48 17
49 19
50 21
51 23
52 25
53 27
54 29
55 31
56 19
57 21
58 23
59 25
60 27
61 29
62 31
63 33
64 19
65 23
66 25
67 29
68 31
69 35
70 21
71 23
72 25
73 27
74 29
75 31
76 33
77 35
78 37
79 21
80 23
81 27
82 29
83 31
84 33
85 37
86 39

List of values

[3, 5, 5, 7, 7, 9, 7, 11, 9, 11, 13, 9, 11, 13, 15, 11, 13, 17, 11, 13, 17, 19, 13, 15, 17, 19, 21, 13, 17, 19, 23, 15, 17, 19, 21, 23, 25, 15, 17, 19, 23, 25, 27, 17, 19, 23, 29, 17, 19, 21, 23, 25, 27, 29, 31, 19, 21, 23, 25, 27, 29, 31, 33, 19, 23, 25, 29, 31, 35, 21, 23, 25, 27, 29, 31, 33, 35, 37, 21, 23, 27, 29, 31, 33, 37, 39]