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.

A350123 a(n) = Sum_{k=1..n} k^2 * floor(n/k)^2.

Table of values

n a(n)
1 1
2 8
3 22
4 57
5 91
6 185
7 247
8 402
9 545
10 775
11 917
12 1379
13 1573
14 1995
15 2455
16 3106
17 3428
18 4377
19 4775
20 5909
21 6753
22 7727
23 8301
24 10331
25 11230
26 12564
27 13904
28 15990
29 16888
30 19908
31 20930
32 23597
33 25545
34 27767
35 29827
36 34468
37 35910
38 38660
39 41328
40 46318
41 48080
42 53644
43 55578

List of values

[1, 8, 22, 57, 91, 185, 247, 402, 545, 775, 917, 1379, 1573, 1995, 2455, 3106, 3428, 4377, 4775, 5909, 6753, 7727, 8301, 10331, 11230, 12564, 13904, 15990, 16888, 19908, 20930, 23597, 25545, 27767, 29827, 34468, 35910, 38660, 41328, 46318, 48080, 53644, 55578]