A090081 - cp's OEIS frontend

A090081 Cube root-smooth numbers: numbers k whose largest prime factor does not exceed the cube root of k.

n	a(n)
1	1
2	8
3	16
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	125
15	128
16	135
17	144
18	150
19	160
20	162
21	180
22	192
23	200
24	216
25	225
26	240
27	243
28	250
29	256
30	270
31	288
32	300
33	320
34	324
35	343
36	350
37	360
38	375
39	378
40	384
41	392
42	400
43	405
44	420
45	432
46	441
47	448
48	450
49	480
50	486
51	490
52	500
53	504
54	512
55	525

[1, 8, 16, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 125, 128, 135, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 243, 250, 256, 270, 288, 300, 320, 324, 343, 350, 360, 375, 378, 384, 392, 400, 405, 420, 432, 441, 448, 450, 480, 486, 490, 500, 504, 512, 525]

cp's OEIS Frontend

A090081 Cube root-smooth numbers: numbers k whose largest prime factor does not exceed the cube root of k.

Table of values

List of values

n	a(n)
1	1
2	8
3	16
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	125
15	128
16	135
17	144
18	150
19	160
20	162
21	180
22	192
23	200
24	216
25	225
26	240
27	243
28	250
29	256
30	270
31	288
32	300
33	320
34	324
35	343
36	350
37	360
38	375
39	378
40	384
41	392
42	400
43	405
44	420
45	432
46	441
47	448
48	450
49	480
50	486
51	490
52	500
53	504
54	512
55	525

n	a(n)
1	1
2	8
3	16
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	125
15	128
16	135
17	144
18	150
19	160
20	162
21	180
22	192
23	200
24	216
25	225
26	240
27	243
28	250
29	256
30	270
31	288
32	300
33	320
34	324
35	343
36	350
37	360
38	375
39	378
40	384
41	392
42	400
43	405
44	420
45	432
46	441
47	448
48	450
49	480
50	486
51	490
52	500
53	504
54	512
55	525

n	a(n)
1	1
2	8
3	16
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	125
15	128
16	135
17	144
18	150
19	160
20	162
21	180
22	192
23	200
24	216
25	225
26	240
27	243
28	250
29	256
30	270
31	288
32	300
33	320
34	324
35	343
36	350
37	360
38	375
39	378
40	384
41	392
42	400
43	405
44	420
45	432
46	441
47	448
48	450
49	480
50	486
51	490
52	500
53	504
54	512
55	525