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.

A103955 a(n) is the least k such that k-n and k are adjacent powerful numbers.

Table of values

n a(n)
1 9
2 27
3 4
4 8
5 32
6 214375
7 16
8 72
9 25
10 2197
11 3136
12 512
13 49
14 30459375
15 64
16 144
17 529
18 243
19 100
20 21316
21 1352
22 100489
23 648
24 1024
25 169
26 11907
27 196
28 1000
29 36992
30 6889
31 392
32 288
33 12967201
34 899236854961
35 324
36 900
37 117649
38 3125
39 10648
40 2744
41 841
42 518436000667

List of values

[9, 27, 4, 8, 32, 214375, 16, 72, 25, 2197, 3136, 512, 49, 30459375, 64, 144, 529, 243, 100, 21316, 1352, 100489, 648, 1024, 169, 11907, 196, 1000, 36992, 6889, 392, 288, 12967201, 899236854961, 324, 900, 117649, 3125, 10648, 2744, 841, 518436000667]