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.

A142149 a(n) = XOR{k OR (n-k): 0<=k<=n}.

Table of values

n a(n)
0 0
1 1
2 3
3 3
4 6
5 5
6 5
7 7
8 12
9 9
10 15
11 11
12 10
13 13
14 9
15 15
16 24
17 17
18 27
19 19
20 30
21 21
22 29
23 23
24 20
25 25
26 23
27 27
28 18
29 29
30 17
31 31
32 48
33 33
34 51
35 35
36 54
37 37
38 53
39 39
40 60
41 41
42 63
43 43
44 58
45 45
46 57
47 47
48 40
49 49
50 43
51 51
52 46
53 53
54 45
55 55
56 36
57 57
58 39
59 59
60 34
61 61
62 33
63 63
64 96
65 65
66 99
67 67
68 102
69 69
70 101
71 71

List of values

[0, 1, 3, 3, 6, 5, 5, 7, 12, 9, 15, 11, 10, 13, 9, 15, 24, 17, 27, 19, 30, 21, 29, 23, 20, 25, 23, 27, 18, 29, 17, 31, 48, 33, 51, 35, 54, 37, 53, 39, 60, 41, 63, 43, 58, 45, 57, 47, 40, 49, 43, 51, 46, 53, 45, 55, 36, 57, 39, 59, 34, 61, 33, 63, 96, 65, 99, 67, 102, 69, 101, 71]