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.

A373287 Perfect powers such that the two numbers before and the two numbers after are squarefree.

Table of values

n a(n)
1 4
2 32
3 36
4 144
5 216
6 256
7 400
8 900
9 1156
10 1296
11 1728
12 1764
13 2704
14 2916
15 3136
16 3600
17 4356
18 5184
19 6084
20 7056
21 8100
22 8464
23 9216
24 11236
25 12100
26 12996
27 16384
28 19044
29 20164
30 20736
31 22500
32 25600
33 26244
34 26896
35 31684
36 32400
37 36864
38 38416
39 39204
40 40000
41 41616
42 44100
43 45796
44 46656

List of values

[4, 32, 36, 144, 216, 256, 400, 900, 1156, 1296, 1728, 1764, 2704, 2916, 3136, 3600, 4356, 5184, 6084, 7056, 8100, 8464, 9216, 11236, 12100, 12996, 16384, 19044, 20164, 20736, 22500, 25600, 26244, 26896, 31684, 32400, 36864, 38416, 39204, 40000, 41616, 44100, 45796, 46656]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.