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.

A069205 a(n) = Sum_{k=1..n} 2^bigomega(k).

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 11
6 15
7 17
8 25
9 29
10 33
11 35
12 43
13 45
14 49
15 53
16 69
17 71
18 79
19 81
20 89
21 93
22 97
23 99
24 115
25 119
26 123
27 131
28 139
29 141
30 149
31 151
32 183
33 187
34 191
35 195
36 211
37 213
38 217
39 221
40 237
41 239
42 247
43 249
44 257
45 265
46 269
47 271
48 303
49 307
50 315
51 319
52 327
53 329
54 345
55 349
56 365
57 369
58 373

List of values

[1, 3, 5, 9, 11, 15, 17, 25, 29, 33, 35, 43, 45, 49, 53, 69, 71, 79, 81, 89, 93, 97, 99, 115, 119, 123, 131, 139, 141, 149, 151, 183, 187, 191, 195, 211, 213, 217, 221, 237, 239, 247, 249, 257, 265, 269, 271, 303, 307, 315, 319, 327, 329, 345, 349, 365, 369, 373]