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.

A056549 a(n) = Sum_{k>=1} round(n/k) where round(1/2)=1.

Table of values

n a(n)
0 0
1 2
2 5
3 9
4 12
5 17
6 21
7 25
8 30
9 35
10 39
11 45
12 49
13 54
14 60
15 66
16 69
17 75
18 82
19 86
20 92
21 98
22 102
23 110
24 114
25 120
26 126
27 132
28 138
29 144
30 150
31 154
32 161
33 169
34 173
35 181
36 186
37 190
38 198
39 206
40 210
41 217
42 223
43 229
44 235
45 243
46 249
47 255
48 261
49 266
50 275
51 281
52 285
53 295
54 301
55 307
56 313
57 319

List of values

[0, 2, 5, 9, 12, 17, 21, 25, 30, 35, 39, 45, 49, 54, 60, 66, 69, 75, 82, 86, 92, 98, 102, 110, 114, 120, 126, 132, 138, 144, 150, 154, 161, 169, 173, 181, 186, 190, 198, 206, 210, 217, 223, 229, 235, 243, 249, 255, 261, 266, 275, 281, 285, 295, 301, 307, 313, 319]