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.

A157942 Numbers n divisible by the largest prime <= sqrt(n), A007917(A000196(n)).

Table of values

n a(n)
1 4
2 6
3 8
4 9
5 12
6 15
7 18
8 21
9 24
10 25
11 30
12 35
13 40
14 45
15 49
16 56
17 63
18 70
19 77
20 84
21 91
22 98
23 105
24 112
25 119
26 121
27 132
28 143
29 154
30 165
31 169
32 182
33 195
34 208
35 221
36 234
37 247
38 260
39 273
40 286
41 289
42 306
43 323
44 340
45 357
46 361
47 380
48 399
49 418
50 437
51 456
52 475
53 494
54 513
55 529
56 552
57 575
58 598

List of values

[4, 6, 8, 9, 12, 15, 18, 21, 24, 25, 30, 35, 40, 45, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 121, 132, 143, 154, 165, 169, 182, 195, 208, 221, 234, 247, 260, 273, 286, 289, 306, 323, 340, 357, 361, 380, 399, 418, 437, 456, 475, 494, 513, 529, 552, 575, 598]