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.

A345426 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 u.

Table of values

n a(n)
1 0
2 1
3 2
4 4
5 5
6 8
7 8
8 12
9 12
10 14
11 15
12 21
13 14
14 20
15 20
16 22
17 24
18 23
19 14
20 25
21 16
22 19
23 23
24 39
25 11
26 5
27 4
28 -3
29 6
30 20
31 8
32 24
33 -10
34 -19
35 -10
36 -22
37 -43
38 -30
39 -44
40 -43
41 -47
42 -39
43 -92
44 -38
45 -51
46 -61
47 -55
48 -57
49 -127
50 -174
51 -163
52 -152
53 -171
54 -176
55 -188
56 -165
57 -167
58 -197
59 -186
60 -177
61 -298
62 -228

List of values

[0, 1, 2, 4, 5, 8, 8, 12, 12, 14, 15, 21, 14, 20, 20, 22, 24, 23, 14, 25, 16, 19, 23, 39, 11, 5, 4, -3, 6, 20, 8, 24, -10, -19, -10, -22, -43, -30, -44, -43, -47, -39, -92, -38, -51, -61, -55, -57, -127, -174, -163, -152, -171, -176, -188, -165, -167, -197, -186, -177, -298, -228]