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.

A372675 a(n) = Sum_{j=1..n} Sum_{k=1..n} sigma(j*k).

Table of values

n a(n)
1 1
2 14
3 59
4 190
5 401
6 914
7 1499
8 2632
9 4113
10 6424
11 8645
12 13284
13 17023
14 23092
15 30715
16 40484
17 48711
18 63890
19 75351
20 95792
21 116421
22 139822
23 159911
24 199176
25 229499
26 267438
27 309283
28 364462
29 404933
30 482792
31 532553
32 611208
33 688593
34 772540
35 862471
36 998760
37 1083615
38 1200328

List of values

[1, 14, 59, 190, 401, 914, 1499, 2632, 4113, 6424, 8645, 13284, 17023, 23092, 30715, 40484, 48711, 63890, 75351, 95792, 116421, 139822, 159911, 199176, 229499, 267438, 309283, 364462, 404933, 482792, 532553, 611208, 688593, 772540, 862471, 998760, 1083615, 1200328]