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.

A379616 Denominators of the partial sums of the reciprocals of the sum of bi-unitary divisors function (A188999).

Table of values

n a(n)
1 1
2 3
3 12
4 60
5 20
6 30
7 120
8 40
9 40
10 360
11 360
12 72
13 504
14 126
15 504
16 1512
17 1512
18 7560
19 1512
20 7560
21 30240
22 30240
23 30240
24 30240
25 393120
26 393120
27 393120
28 393120
29 393120
30 393120
31 196560
32 28080
33 14040
34 4680
35 9360
36 46800
37 889200
38 889200
39 6224400
40 6224400
41 889200
42 1778400

List of values

[1, 3, 12, 60, 20, 30, 120, 40, 40, 360, 360, 72, 504, 126, 504, 1512, 1512, 7560, 1512, 7560, 30240, 30240, 30240, 30240, 393120, 393120, 393120, 393120, 393120, 393120, 196560, 28080, 14040, 4680, 9360, 46800, 889200, 889200, 6224400, 6224400, 889200, 1778400]