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.

A103954 a(n) is the least k such that k and k+n are adjacent powerful numbers.

Table of values

n a(n)
1 8
2 25
3 1
4 4
5 27
6 214369
7 9
8 64
9 16
10 2187
11 3125
12 500
13 36
14 30459361
15 49
16 128
17 512
18 225
19 81
20 21296
21 1331
22 100467
23 625
24 1000
25 144
26 11881
27 169
28 972
29 36963
30 6859
31 361
32 256
33 12967168
34 899236854927
35 289
36 864
37 117612
38 3087
39 10609
40 2704
41 800
42 518436000625

List of values

[8, 25, 1, 4, 27, 214369, 9, 64, 16, 2187, 3125, 500, 36, 30459361, 49, 128, 512, 225, 81, 21296, 1331, 100467, 625, 1000, 144, 11881, 169, 972, 36963, 6859, 361, 256, 12967168, 899236854927, 289, 864, 117612, 3087, 10609, 2704, 800, 518436000625]

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

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