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.

A079143 Numbers divisible by prime ceilings of their square roots + 1.

Table of values

n a(n)
1 2
2 4
3 6
4 9
5 20
6 25
7 42
8 49
9 110
10 121
11 156
12 169
13 272
14 289
15 342
16 361
17 506
18 529
19 812
20 841
21 930
22 961
23 1332
24 1369
25 1640
26 1681
27 1806
28 1849
29 2162
30 2209
31 2756
32 2809
33 3422
34 3481
35 3660
36 3721
37 4422
38 4489
39 4970
40 5041
41 5256
42 5329
43 6162
44 6241
45 6806
46 6889
47 7832
48 7921

List of values

[2, 4, 6, 9, 20, 25, 42, 49, 110, 121, 156, 169, 272, 289, 342, 361, 506, 529, 812, 841, 930, 961, 1332, 1369, 1640, 1681, 1806, 1849, 2162, 2209, 2756, 2809, 3422, 3481, 3660, 3721, 4422, 4489, 4970, 5041, 5256, 5329, 6162, 6241, 6806, 6889, 7832, 7921]