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.

A219730 Sum_{x <= n} smallest divisor of x that is >= sqrt(x).

Table of values

n a(n)
1 1
2 3
3 6
4 8
5 13
6 16
7 23
8 27
9 30
10 35
11 46
12 50
13 63
14 70
15 75
16 79
17 96
18 102
19 121
20 126
21 133
22 144
23 167
24 173
25 178
26 191
27 200
28 207
29 236
30 242
31 273
32 281
33 292
34 309
35 316
36 322
37 359
38 378
39 391
40 399
41 440
42 447
43 490
44 501
45 510
46 533
47 580
48 588
49 595
50 605
51 622
52 635
53 688
54 697
55 708
56 716

List of values

[1, 3, 6, 8, 13, 16, 23, 27, 30, 35, 46, 50, 63, 70, 75, 79, 96, 102, 121, 126, 133, 144, 167, 173, 178, 191, 200, 207, 236, 242, 273, 281, 292, 309, 316, 322, 359, 378, 391, 399, 440, 447, 490, 501, 510, 533, 580, 588, 595, 605, 622, 635, 688, 697, 708, 716]