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.

A094907 Number of different nontrivial two-digit cancellations of the form (xy)/(zx) = y/z in base n.

Table of values

n a(n)
2 0
3 0
4 1
5 0
6 2
7 0
8 2
9 2
10 4
11 0
12 4
13 0
14 2
15 6
16 7
17 0
18 4
19 0
20 4
21 10
22 6
23 0
24 6
25 6
26 4
27 6
28 10
29 0
30 6
31 0
32 4
33 8
34 6
35 6
36 21
37 0
38 2
39 6
40 18
41 0
42 6
43 0
44 4
45 18
46 10
47 0
48 8
49 10
50 10
51 12
52 12
53 0
54 6
55 16
56 22
57 14
58 6
59 0
60 10
61 0
62 2
63 12
64 21
65 12
66 20
67 0
68 4
69 10
70 22
71 0
72 10
73 0
74 2
75 12
76 20
77 14
78 24
79 0
80 8
81 24
82 8
83 0
84 10
85 28
86 6
87 6
88 18
89 0
90 10

List of values

[0, 0, 1, 0, 2, 0, 2, 2, 4, 0, 4, 0, 2, 6, 7, 0, 4, 0, 4, 10, 6, 0, 6, 6, 4, 6, 10, 0, 6, 0, 4, 8, 6, 6, 21, 0, 2, 6, 18, 0, 6, 0, 4, 18, 10, 0, 8, 10, 10, 12, 12, 0, 6, 16, 22, 14, 6, 0, 10, 0, 2, 12, 21, 12, 20, 0, 4, 10, 22, 0, 10, 0, 2, 12, 20, 14, 24, 0, 8, 24, 8, 0, 10, 28, 6, 6, 18, 0, 10]