A374905 - cp's OEIS frontend

A374905 Least integers of their prime signature (A025487) whose divisors have an integer mean number of divisors.

n	a(n)
1	1
2	4
3	12
4	16
5	36
6	64
7	72
8	144
9	180
10	192
11	256
12	288
13	576
14	720
15	900
16	960
17	1024
18	1152
19	1260
20	1296
21	1728
22	1800
23	2304
24	2880
25	3072
26	3600
27	4096
28	4608
29	5184
30	6300
31	7200
32	8640
33	9216
34	10800
35	11520
36	12600
37	14400
38	15552
39	16384
40	18432
41	20160
42	20736
43	25200
44	25920
45	27648
46	28800

[1, 4, 12, 16, 36, 64, 72, 144, 180, 192, 256, 288, 576, 720, 900, 960, 1024, 1152, 1260, 1296, 1728, 1800, 2304, 2880, 3072, 3600, 4096, 4608, 5184, 6300, 7200, 8640, 9216, 10800, 11520, 12600, 14400, 15552, 16384, 18432, 20160, 20736, 25200, 25920, 27648, 28800]

cp's OEIS Frontend

A374905 Least integers of their prime signature (A025487) whose divisors have an integer mean number of divisors.

Table of values

List of values