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.

A122701 a(0)=0, a(n) = 2*a(floor(n/2)) + n - 1 for n > 0.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 5
5 6
6 9
7 10
8 17
9 18
10 21
11 22
12 29
13 30
14 33
15 34
16 49
17 50
18 53
19 54
20 61
21 62
22 65
23 66
24 81
25 82
26 85
27 86
28 93
29 94
30 97
31 98
32 129
33 130
34 133
35 134
36 141
37 142
38 145
39 146
40 161
41 162
42 165
43 166
44 173
45 174
46 177
47 178
48 209
49 210
50 213
51 214
52 221
53 222
54 225
55 226
56 241
57 242
58 245
59 246
60 253
61 254

List of values

[0, 0, 1, 2, 5, 6, 9, 10, 17, 18, 21, 22, 29, 30, 33, 34, 49, 50, 53, 54, 61, 62, 65, 66, 81, 82, 85, 86, 93, 94, 97, 98, 129, 130, 133, 134, 141, 142, 145, 146, 161, 162, 165, 166, 173, 174, 177, 178, 209, 210, 213, 214, 221, 222, 225, 226, 241, 242, 245, 246, 253, 254]