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.

A178147 Sum of squares d^2 of distinct divisors of n, d in {2, 3, 5}.

Table of values

n a(n)
1 0
2 4
3 9
4 4
5 25
6 13
7 0
8 4
9 9
10 29
11 0
12 13
13 0
14 4
15 34
16 4
17 0
18 13
19 0
20 29
21 9
22 4
23 0
24 13
25 25
26 4
27 9
28 4
29 0
30 38
31 0
32 4
33 9
34 4
35 25
36 13
37 0
38 4
39 9
40 29
41 0
42 13
43 0
44 4
45 34
46 4
47 0
48 13
49 0
50 29
51 9
52 4
53 0
54 13
55 25
56 4
57 9
58 4
59 0
60 38
61 0
62 4
63 9
64 4
65 25
66 13
67 0
68 4
69 9
70 29
71 0
72 13
73 0
74 4
75 34
76 4
77 0
78 13
79 0

List of values

[0, 4, 9, 4, 25, 13, 0, 4, 9, 29, 0, 13, 0, 4, 34, 4, 0, 13, 0, 29, 9, 4, 0, 13, 25, 4, 9, 4, 0, 38, 0, 4, 9, 4, 25, 13, 0, 4, 9, 29, 0, 13, 0, 4, 34, 4, 0, 13, 0, 29, 9, 4, 0, 13, 25, 4, 9, 4, 0, 38, 0, 4, 9, 4, 25, 13, 0, 4, 9, 29, 0, 13, 0, 4, 34, 4, 0, 13, 0]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.