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.

A077448 Numbers k such that Sum_{d|k} mu(d)*mu(k/d)^2 = +1.

Table of values

n a(n)
1 1
2 36
3 100
4 196
5 225
6 441
7 484
8 676
9 1089
10 1156
11 1225
12 1444
13 1521
14 2116
15 2601
16 3025
17 3249
18 3364
19 3844
20 4225
21 4761
22 5476
23 5929
24 6724
25 7225
26 7396
27 7569
28 8281
29 8649
30 8836
31 9025
32 11236
33 12321
34 13225
35 13924
36 14161
37 14884
38 15129
39 16641
40 17689
41 17956

List of values

[1, 36, 100, 196, 225, 441, 484, 676, 1089, 1156, 1225, 1444, 1521, 2116, 2601, 3025, 3249, 3364, 3844, 4225, 4761, 5476, 5929, 6724, 7225, 7396, 7569, 8281, 8649, 8836, 9025, 11236, 12321, 13225, 13924, 14161, 14884, 15129, 16641, 17689, 17956]