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.

A355594 a(n) is the smallest integer that has exactly n alternating divisors.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 16
6 12
7 24
8 48
9 36
10 96
11 72
12 144
13 210
14 180
15 420
16 360
17 504
18 864
19 630
20 1080
21 1512
22 2160
23 1260
24 3150
25 1890
26 2520
27 5040
28 6300
29 3780
30 10080
31 12600
32 9450
33 7560
34 32760
35 15120
36 18900
37 22680
38 30240
39 88830
40 37800
41 45360
42 75600
43 105840
44 90720
45 151200
46 162540
47 254520

List of values

[1, 2, 4, 6, 16, 12, 24, 48, 36, 96, 72, 144, 210, 180, 420, 360, 504, 864, 630, 1080, 1512, 2160, 1260, 3150, 1890, 2520, 5040, 6300, 3780, 10080, 12600, 9450, 7560, 32760, 15120, 18900, 22680, 30240, 88830, 37800, 45360, 75600, 105840, 90720, 151200, 162540, 254520]

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

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