A144862 - cp's OEIS frontend

A144862 Composite numbers n such that sqrt(n) > f(n), where f(n) = 2 * rad(n) if 4 divides n and rad(n) otherwise.

n	a(n)
1	27
2	32
3	54
4	64
5	81
6	125
7	128
8	162
9	192
10	216
11	243
12	250
13	256
14	288
15	324
16	343
17	375
18	384
19	405
20	432
21	486
22	500
23	512
24	567
25	576
26	625
27	640
28	648
29	675
30	686
31	729
32	768
33	800
34	864
35	896
36	972
37	1000
38	1024
39	1029
40	1125
41	1152
42	1215
43	1250
44	1280
45	1296
46	1323
47	1331
48	1350
49	1372
50	1458

[27, 32, 54, 64, 81, 125, 128, 162, 192, 216, 243, 250, 256, 288, 324, 343, 375, 384, 405, 432, 486, 500, 512, 567, 576, 625, 640, 648, 675, 686, 729, 768, 800, 864, 896, 972, 1000, 1024, 1029, 1125, 1152, 1215, 1250, 1280, 1296, 1323, 1331, 1350, 1372, 1458]

cp's OEIS Frontend

A144862 Composite numbers n such that sqrt(n) > f(n), where f(n) = 2 * rad(n) if 4 divides n and rad(n) otherwise.

Table of values

List of values