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.

A181800 Powerful numbers that are the least integer of their prime signature.

Table of values

n a(n)
1 1
2 4
3 8
4 16
5 32
6 36
7 64
8 72
9 128
10 144
11 216
12 256
13 288
14 432
15 512
16 576
17 864
18 900
19 1024
20 1152
21 1296
22 1728
23 1800
24 2048
25 2304
26 2592
27 3456
28 3600
29 4096
30 4608
31 5184
32 5400
33 6912
34 7200
35 7776
36 8192
37 9216
38 10368
39 10800
40 13824
41 14400
42 15552
43 16384
44 18432
45 20736
46 21600
47 27000

List of values

[1, 4, 8, 16, 32, 36, 64, 72, 128, 144, 216, 256, 288, 432, 512, 576, 864, 900, 1024, 1152, 1296, 1728, 1800, 2048, 2304, 2592, 3456, 3600, 4096, 4608, 5184, 5400, 6912, 7200, 7776, 8192, 9216, 10368, 10800, 13824, 14400, 15552, 16384, 18432, 20736, 21600, 27000]