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.

A065915 Numerator of sigma(8*n^2)/sigma(4*n^2).

Table of values

n a(n)
1 15
2 63
3 15
4 255
5 15
6 63
7 15
8 1023
9 15
10 63
11 15
12 255
13 15
14 63
15 15
16 4095
17 15
18 63
19 15
20 255
21 15
22 63
23 15
24 1023
25 15
26 63
27 15
28 255
29 15
30 63
31 15
32 16383
33 15
34 63
35 15
36 255
37 15
38 63
39 15
40 1023
41 15
42 63
43 15
44 255
45 15
46 63
47 15
48 4095
49 15
50 63
51 15
52 255
53 15
54 63
55 15
56 1023
57 15
58 63
59 15
60 255
61 15
62 63

List of values

[15, 63, 15, 255, 15, 63, 15, 1023, 15, 63, 15, 255, 15, 63, 15, 4095, 15, 63, 15, 255, 15, 63, 15, 1023, 15, 63, 15, 255, 15, 63, 15, 16383, 15, 63, 15, 255, 15, 63, 15, 1023, 15, 63, 15, 255, 15, 63, 15, 4095, 15, 63, 15, 255, 15, 63, 15, 1023, 15, 63, 15, 255, 15, 63]