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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.

A353551 a(n) = Sum_{k=1..n} tau(k^3), where tau is the number of divisors function A000005.

Table of values

n a(n)
0 0
1 1
2 5
3 9
4 16
5 20
6 36
7 40
8 50
9 57
10 73
11 77
12 105
13 109
14 125
15 141
16 154
17 158
18 186
19 190
20 218
21 234
22 250
23 254
24 294
25 301
26 317
27 327
28 355
29 359
30 423
31 427
32 443
33 459
34 475
35 491
36 540
37 544
38 560
39 576
40 616
41 620
42 684
43 688
44 716
45 744
46 760
47 764
48 816
49 823
50 851
51 867
52 895
53 899
54 939
55 955
56 995

List of values

[0, 1, 5, 9, 16, 20, 36, 40, 50, 57, 73, 77, 105, 109, 125, 141, 154, 158, 186, 190, 218, 234, 250, 254, 294, 301, 317, 327, 355, 359, 423, 427, 443, 459, 475, 491, 540, 544, 560, 576, 616, 620, 684, 688, 716, 744, 760, 764, 816, 823, 851, 867, 895, 899, 939, 955, 995]

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

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