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.

A156779 a(n) = Sum_{d|n} sp(d), where sp(d) = A034387(d) = sum of primes <= d.

Table of values

n a(n)
1 0
2 2
3 5
4 7
5 10
6 17
7 17
8 24
9 22
10 29
11 28
12 50
13 41
14 60
15 56
16 65
17 58
18 92
19 77
20 111
21 99
22 107
23 100
24 167
25 110
26 143
27 122
28 165
29 129
30 214
31 160
32 225
33 193
34 220
35 187
36 285
37 197
38 276
39 243
40 325
41 238
42 390
43 281
44 393
45 354
46 383
47 328
48 536
49 345
50 457
51 391
52 476
53 381
54 573
55 419
56 563
57 463

List of values

[0, 2, 5, 7, 10, 17, 17, 24, 22, 29, 28, 50, 41, 60, 56, 65, 58, 92, 77, 111, 99, 107, 100, 167, 110, 143, 122, 165, 129, 214, 160, 225, 193, 220, 187, 285, 197, 276, 243, 325, 238, 390, 281, 393, 354, 383, 328, 536, 345, 457, 391, 476, 381, 573, 419, 563, 463]