A172419 - cp's OEIS frontend

A172419 Numbers k that have measure of smoothness J larger than 4, where J = log(k)/log(rad(k)) and rad(k) is the product of the distinct prime divisors of k (A007947).

n	a(n)
1	32
2	64
3	128
4	243
5	256
6	512
7	729
8	1024
9	1458
10	1536
11	1728
12	1944
13	2048
14	2187
15	2304
16	2592
17	2916
18	3072
19	3125
20	3456
21	3888
22	4096
23	4374
24	4608
25	5184
26	5832
27	6144
28	6561
29	6912
30	7776
31	8192
32	8748
33	9216
34	10240
35	10368
36	11664
37	12288
38	12500
39	12800
40	13122
41	13824
42	15552

[32, 64, 128, 243, 256, 512, 729, 1024, 1458, 1536, 1728, 1944, 2048, 2187, 2304, 2592, 2916, 3072, 3125, 3456, 3888, 4096, 4374, 4608, 5184, 5832, 6144, 6561, 6912, 7776, 8192, 8748, 9216, 10240, 10368, 11664, 12288, 12500, 12800, 13122, 13824, 15552]

cp's OEIS Frontend

A172419 Numbers k that have measure of smoothness J larger than 4, where J = log(k)/log(rad(k)) and rad(k) is the product of the distinct prime divisors of k (A007947).

Table of values

List of values