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.

A328285 Smallest positive number k >= 2 for which there exist exactly n >= 1 integers m in M = {1, 2, 3, ..., k-1} such that k*m is a perfect power.

Table of values

n a(n)
1 12
2 4
3 8
4 48
5 16
6 32
7 49
8 640
9 108
10 162
11 64
12 121
13 243
14 144
15 196
16 225
17 867
18 289
19 324
20 361
21 256
22 400
23 484
24 529
25 512
26 1250
27 676
28 625
29 576
30 1682
31 784
32 900
33 961
34 1458
35 729
36 1156
37 1225
38 2312
39 1369
40 1024
41 1521
42 2048
43 1681
44 1600
45 1849
46 1936
47 6348
48 2025
49 2209
50 4232

List of values

[12, 4, 8, 48, 16, 32, 49, 640, 108, 162, 64, 121, 243, 144, 196, 225, 867, 289, 324, 361, 256, 400, 484, 529, 512, 1250, 676, 625, 576, 1682, 784, 900, 961, 1458, 729, 1156, 1225, 2312, 1369, 1024, 1521, 2048, 1681, 1600, 1849, 1936, 6348, 2025, 2209, 4232]