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.

A377382 a(n) is the smallest number k for which exactly n of its divisors are interprime numbers (A024675).

Table of values

n a(n)
0 1
1 4
2 52
3 12
4 162
5 36
6 60
7 120
8 240
9 300
10 180
11 600
12 360
13 1560
14 720
15 1260
16 1440
17 1620
18 2520
19 2880
20 3240
21 5040
22 10920
23 6300
24 9360
25 10080
26 12960
27 12600
28 15840
29 20160
30 22680
31 25200
32 31680
33 39600
34 27720
35 59400
36 50400
37 70560
38 56700
39 79200
40 55440
41 65520
42 83160
43 100800

List of values

[1, 4, 52, 12, 162, 36, 60, 120, 240, 300, 180, 600, 360, 1560, 720, 1260, 1440, 1620, 2520, 2880, 3240, 5040, 10920, 6300, 9360, 10080, 12960, 12600, 15840, 20160, 22680, 25200, 31680, 39600, 27720, 59400, 50400, 70560, 56700, 79200, 55440, 65520, 83160, 100800]

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

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