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.

A050453 Sum_{d|n, d=3 mod 4} d^2.

Table of values

n a(n)
1 0
2 0
3 9
4 0
5 0
6 9
7 49
8 0
9 9
10 0
11 121
12 9
13 0
14 49
15 234
16 0
17 0
18 9
19 361
20 0
21 58
22 121
23 529
24 9
25 0
26 0
27 738
28 49
29 0
30 234
31 961
32 0
33 130
34 0
35 1274
36 9
37 0
38 361
39 1530
40 0
41 0
42 58
43 1849
44 121
45 234
46 529
47 2209
48 9
49 49
50 0
51 2610
52 0
53 0
54 738
55 3146
56 49
57 370
58 0
59 3481
60 234
61 0
62 961
63 4027

List of values

[0, 0, 9, 0, 0, 9, 49, 0, 9, 0, 121, 9, 0, 49, 234, 0, 0, 9, 361, 0, 58, 121, 529, 9, 0, 0, 738, 49, 0, 234, 961, 0, 130, 0, 1274, 9, 0, 361, 1530, 0, 0, 58, 1849, 121, 234, 529, 2209, 9, 49, 0, 2610, 0, 0, 738, 3146, 49, 370, 0, 3481, 234, 0, 961, 4027]