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.

A017672 Denominator of sum of -4th powers of divisors of n.

Table of values

n a(n)
1 1
2 16
3 81
4 256
5 625
6 648
7 2401
8 4096
9 6561
10 5000
11 14641
12 3456
13 28561
14 19208
15 50625
16 65536
17 83521
18 104976
19 130321
20 80000
21 194481
22 117128
23 279841
24 165888
25 390625
26 228488
27 531441
28 43904
29 707281
30 202500
31 923521
32 1048576
33 1185921
34 39304
35 1500625
36 559872
37 1874161

List of values

[1, 16, 81, 256, 625, 648, 2401, 4096, 6561, 5000, 14641, 3456, 28561, 19208, 50625, 65536, 83521, 104976, 130321, 80000, 194481, 117128, 279841, 165888, 390625, 228488, 531441, 43904, 707281, 202500, 923521, 1048576, 1185921, 39304, 1500625, 559872, 1874161]