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.

A374289 5-rough powerful numbers: numbers k coprime to 6 such that if a prime p divides k then p^2 also divides k.

Table of values

n a(n)
1 1
2 25
3 49
4 121
5 125
6 169
7 289
8 343
9 361
10 529
11 625
12 841
13 961
14 1225
15 1331
16 1369
17 1681
18 1849
19 2197
20 2209
21 2401
22 2809
23 3025
24 3125
25 3481
26 3721
27 4225
28 4489
29 4913
30 5041
31 5329
32 5929
33 6125
34 6241
35 6859
36 6889
37 7225
38 7921
39 8281
40 8575
41 9025
42 9409
43 10201
44 10609
45 11449
46 11881
47 12167

List of values

[1, 25, 49, 121, 125, 169, 289, 343, 361, 529, 625, 841, 961, 1225, 1331, 1369, 1681, 1849, 2197, 2209, 2401, 2809, 3025, 3125, 3481, 3721, 4225, 4489, 4913, 5041, 5329, 5929, 6125, 6241, 6859, 6889, 7225, 7921, 8281, 8575, 9025, 9409, 10201, 10609, 11449, 11881, 12167]