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.

A379514 Denominators of the partial sums of the reciprocals of the sum of unitary divisors function (A034448).

Table of values

n a(n)
1 1
2 3
3 12
4 60
5 20
6 30
7 120
8 360
9 360
10 40
11 120
12 120
13 840
14 70
15 840
16 14280
17 42840
18 42840
19 42840
20 42840
21 171360
22 57120
23 57120
24 171360
25 2227680
26 2227680
27 2227680
28 2227680
29 2227680
30 247520
31 123760
32 4084080
33 340340
34 9189180
35 36756720
36 183783600
37 3491888400
38 3491888400

List of values

[1, 3, 12, 60, 20, 30, 120, 360, 360, 40, 120, 120, 840, 70, 840, 14280, 42840, 42840, 42840, 42840, 171360, 57120, 57120, 171360, 2227680, 2227680, 2227680, 2227680, 2227680, 247520, 123760, 4084080, 340340, 9189180, 36756720, 183783600, 3491888400, 3491888400]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.