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.

A345427 For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u*x+v*y with u,v minimal; a(n) = sum of the values of v.

Table of values

n a(n)
1 1
2 3
3 5
4 8
5 10
6 14
7 15
8 20
9 21
10 24
11 26
12 33
13 27
14 34
15 35
16 38
17 41
18 41
19 33
20 45
21 37
22 41
23 46
24 63
25 36
26 31
27 31
28 25
29 35
30 50
31 39
32 56
33 23
34 15
35 25
36 14
37 -6
38 8
39 -5
40 -3
41 -6
42 3
43 -49
44 6
45 -6
46 -15
47 -8
48 -9
49 -78
50 -124
51 -112
52 -100
53 -118
54 -122
55 -133
56 -109
57 -110
58 -139
59 -127
60 -117
61 -237
62 -166
63 -185
64 -218
65 -171
66 -215

List of values

[1, 3, 5, 8, 10, 14, 15, 20, 21, 24, 26, 33, 27, 34, 35, 38, 41, 41, 33, 45, 37, 41, 46, 63, 36, 31, 31, 25, 35, 50, 39, 56, 23, 15, 25, 14, -6, 8, -5, -3, -6, 3, -49, 6, -6, -15, -8, -9, -78, -124, -112, -100, -118, -122, -133, -109, -110, -139, -127, -117, -237, -166, -185, -218, -171, -215]