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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.

A358380 a(n) = Sum_{d|n} tau(d^5), where tau(n) = number of divisors of n, cf. A000005.

Table of values

n a(n)
1 1
2 7
3 7
4 18
5 7
6 49
7 7
8 34
9 18
10 49
11 7
12 126
13 7
14 49
15 49
16 55
17 7
18 126
19 7
20 126
21 49
22 49
23 7
24 238
25 18
26 49
27 34
28 126
29 7
30 343
31 7
32 81
33 49
34 49
35 49
36 324
37 7
38 49
39 49
40 238
41 7
42 343
43 7
44 126
45 126
46 49
47 7
48 385
49 18
50 126
51 49
52 126
53 7
54 238
55 49
56 238
57 49
58 49
59 7
60 882
61 7
62 49
63 126
64 112
65 49
66 343
67 7
68 126
69 49
70 343
71 7
72 612
73 7
74 49
75 126
76 126

List of values

[1, 7, 7, 18, 7, 49, 7, 34, 18, 49, 7, 126, 7, 49, 49, 55, 7, 126, 7, 126, 49, 49, 7, 238, 18, 49, 34, 126, 7, 343, 7, 81, 49, 49, 49, 324, 7, 49, 49, 238, 7, 343, 7, 126, 126, 49, 7, 385, 18, 126, 49, 126, 7, 238, 49, 238, 49, 49, 7, 882, 7, 49, 126, 112, 49, 343, 7, 126, 49, 343, 7, 612, 7, 49, 126, 126]

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

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