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.

A248021 Perfect powers which are not coprime to the sum of their divisors.

Table of values

n a(n)
1 196
2 216
3 441
4 1000
5 1521
6 1728
7 1764
8 2744
9 3249
10 3375
11 3969
12 4900
13 5832
14 5929
15 6084
16 7056
17 7776
18 8000
19 8649
20 9604
21 9801
22 10648
23 11025
24 12321
25 12544
26 12996
27 13689
28 13824
29 15376
30 15876
31 16641
32 17576
33 17689
34 21952
35 23716
36 24025
37 24336
38 25921
39 27000
40 28224
41 29241
42 33124
43 33489
44 34596

List of values

[196, 216, 441, 1000, 1521, 1728, 1764, 2744, 3249, 3375, 3969, 4900, 5832, 5929, 6084, 7056, 7776, 8000, 8649, 9604, 9801, 10648, 11025, 12321, 12544, 12996, 13689, 13824, 15376, 15876, 16641, 17576, 17689, 21952, 23716, 24025, 24336, 25921, 27000, 28224, 29241, 33124, 33489, 34596]