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.

A318649 Numerators of the sequence whose Dirichlet convolution with itself yields squares, A000290.

Table of values

n a(n)
1 1
2 2
3 9
4 6
5 25
6 9
7 49
8 20
9 243
10 25
11 121
12 27
13 169
14 49
15 225
16 70
17 289
18 243
19 361
20 75
21 441
22 121
23 529
24 90
25 1875
26 169
27 3645
28 147
29 841
30 225
31 961
32 252
33 1089
34 289
35 1225
36 729
37 1369
38 361
39 1521
40 250
41 1681
42 441
43 1849
44 363
45 6075
46 529
47 2209
48 315
49 7203
50 1875
51 2601
52 507
53 2809
54 3645
55 3025
56 490
57 3249
58 841
59 3481
60 675
61 3721
62 961
63 11907
64 924
65 4225
66 1089

List of values

[1, 2, 9, 6, 25, 9, 49, 20, 243, 25, 121, 27, 169, 49, 225, 70, 289, 243, 361, 75, 441, 121, 529, 90, 1875, 169, 3645, 147, 841, 225, 961, 252, 1089, 289, 1225, 729, 1369, 361, 1521, 250, 1681, 441, 1849, 363, 6075, 529, 2209, 315, 7203, 1875, 2601, 507, 2809, 3645, 3025, 490, 3249, 841, 3481, 675, 3721, 961, 11907, 924, 4225, 1089]