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.

A227320 Binary XOR of proper divisors of n.

Table of values

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

List of values

[0, 1, 1, 3, 1, 0, 1, 7, 2, 6, 1, 2, 1, 4, 7, 15, 1, 15, 1, 8, 5, 8, 1, 6, 4, 14, 11, 14, 1, 6, 1, 31, 9, 18, 3, 21, 1, 16, 15, 20, 1, 26, 1, 26, 1, 20, 1, 14, 6, 21, 19, 16, 1, 6, 15, 26, 17, 30, 1, 4, 1, 28, 25, 63, 9, 58, 1, 52, 21, 38, 1, 33, 1, 38, 17, 50, 13, 54, 1]