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.

A023560 Convolution of A023531 and composite numbers (A002808).

Table of values

n a(n)
1 0
2 4
3 6
4 8
5 13
6 16
7 20
8 23
9 29
10 34
11 40
12 44
13 47
14 56
15 64
16 69
17 73
18 79
19 85
20 95
21 102
22 109
23 116
24 123
25 129
26 136
27 147
28 155
29 165
30 173
31 179
32 188
33 200
34 206
35 216
36 227
37 237
38 247
39 255
40 265
41 275
42 283
43 291
44 305
45 318
46 329
47 339
48 349
49 359
50 370
51 381
52 391
53 402
54 417
55 430

List of values

[0, 4, 6, 8, 13, 16, 20, 23, 29, 34, 40, 44, 47, 56, 64, 69, 73, 79, 85, 95, 102, 109, 116, 123, 129, 136, 147, 155, 165, 173, 179, 188, 200, 206, 216, 227, 237, 247, 255, 265, 275, 283, 291, 305, 318, 329, 339, 349, 359, 370, 381, 391, 402, 417, 430]