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.

A264081 The sum of the 2 X 2 idempotent matrices over Z/nZ is congruent to {{a(n),0}, {0,a(n)}} (mod n).

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 1
6 2
7 1
8 1
9 1
10 8
11 1
12 2
13 1
14 8
15 14
16 1
17 1
18 8
19 1
20 16
21 7
22 8
23 1
24 14
25 1
26 8
27 1
28 26
29 1
30 22
31 1
32 1
33 14
34 8
35 18
36 26
37 1
38 8
39 1
40 8
41 1
42 14
43 1
44 26
45 5
46 8
47 1

List of values

[0, 0, 1, 1, 1, 2, 1, 1, 1, 8, 1, 2, 1, 8, 14, 1, 1, 8, 1, 16, 7, 8, 1, 14, 1, 8, 1, 26, 1, 22, 1, 1, 14, 8, 18, 26, 1, 8, 1, 8, 1, 14, 1, 26, 5, 8, 1]