A137845 - cp's OEIS frontend

A137845 Logarithmically smooth numbers; numbers n whose largest prime factor is less than log(n).

n	a(n)
1	8
2	16
3	24
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	128
15	144
16	150
17	160
18	162
19	180
20	192
21	200
22	216
23	225
24	240
25	243
26	250
27	256
28	270
29	288
30	300
31	320
32	324
33	360
34	375
35	384
36	400
37	405
38	432
39	450
40	480
41	486
42	500
43	512
44	540
45	576
46	600
47	625
48	640
49	648
50	675
51	720
52	729
53	750
54	768
55	800

[8, 16, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 243, 250, 256, 270, 288, 300, 320, 324, 360, 375, 384, 400, 405, 432, 450, 480, 486, 500, 512, 540, 576, 600, 625, 640, 648, 675, 720, 729, 750, 768, 800]

cp's OEIS Frontend

A137845 Logarithmically smooth numbers; numbers n whose largest prime factor is less than log(n).

Table of values

List of values

n	a(n)
1	8
2	16
3	24
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	128
15	144
16	150
17	160
18	162
19	180
20	192
21	200
22	216
23	225
24	240
25	243
26	250
27	256
28	270
29	288
30	300
31	320
32	324
33	360
34	375
35	384
36	400
37	405
38	432
39	450
40	480
41	486
42	500
43	512
44	540
45	576
46	600
47	625
48	640
49	648
50	675
51	720
52	729
53	750
54	768
55	800

n	a(n)
1	8
2	16
3	24
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	128
15	144
16	150
17	160
18	162
19	180
20	192
21	200
22	216
23	225
24	240
25	243
26	250
27	256
28	270
29	288
30	300
31	320
32	324
33	360
34	375
35	384
36	400
37	405
38	432
39	450
40	480
41	486
42	500
43	512
44	540
45	576
46	600
47	625
48	640
49	648
50	675
51	720
52	729
53	750
54	768
55	800

n	a(n)
1	8
2	16
3	24
4	27
5	32
6	36
7	48
8	54
9	64
10	72
11	81
12	96
13	108
14	128
15	144
16	150
17	160
18	162
19	180
20	192
21	200
22	216
23	225
24	240
25	243
26	250
27	256
28	270
29	288
30	300
31	320
32	324
33	360
34	375
35	384
36	400
37	405
38	432
39	450
40	480
41	486
42	500
43	512
44	540
45	576
46	600
47	625
48	640
49	648
50	675
51	720
52	729
53	750
54	768
55	800