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.

A237350 a(n) = the smallest number k such that Sum_{d|k} 1/tau(d) >= n.

Table of values

n a(n)
1 1
2 6
3 24
4 60
5 180
6 420
7 840
8 2520
9 4620
10 9240
11 13860
12 27720
13 55440
14 55440
15 110880
16 166320
17 180180
18 360360
19 360360
20 720720
21 720720
22 1441440
23 1801800
24 2162160
25 3063060
26 4084080
27 6126120
28 6126120
29 6126120
30 12252240
31 12252240
32 18378360
33 24504480
34 24504480
35 30630600
36 36756720

List of values

[1, 6, 24, 60, 180, 420, 840, 2520, 4620, 9240, 13860, 27720, 55440, 55440, 110880, 166320, 180180, 360360, 360360, 720720, 720720, 1441440, 1801800, 2162160, 3063060, 4084080, 6126120, 6126120, 6126120, 12252240, 12252240, 18378360, 24504480, 24504480, 30630600, 36756720]