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.

A330038 a(1) = 1, a(n) = [n/2] + a([n/2]) + a([(n+1)/2]) for n > 1, where [x] = floor(x).

Table of values

n a(n)
1 1
2 3
3 5
4 8
5 10
6 13
7 16
8 20
9 22
10 25
11 28
12 32
13 35
14 39
15 43
16 48
17 50
18 53
19 56
20 60
21 63
22 67
23 71
24 76
25 79
26 83
27 87
28 92
29 96
30 101
31 106
32 112
33 114
34 117
35 120
36 124
37 127
38 131
39 135
40 140
41 143
42 147
43 151
44 156
45 160
46 165
47 170
48 176
49 179
50 183
51 187
52 192
53 196
54 201
55 206
56 212
57 216
58 221
59 226
60 232

List of values

[1, 3, 5, 8, 10, 13, 16, 20, 22, 25, 28, 32, 35, 39, 43, 48, 50, 53, 56, 60, 63, 67, 71, 76, 79, 83, 87, 92, 96, 101, 106, 112, 114, 117, 120, 124, 127, 131, 135, 140, 143, 147, 151, 156, 160, 165, 170, 176, 179, 183, 187, 192, 196, 201, 206, 212, 216, 221, 226, 232]