A048874 - cp's OEIS frontend

A048874 Almost-cubes: numbers n such that n/s(n) >= k/s(k) for all k where s(m) is the least surface area of a rectangular parallelepiped with integer side lengths and volume m.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	16
9	18
10	24
11	27
12	32
13	36
14	45
15	48
16	54
17	60
18	64
19	72
20	75
21	80
22	90
23	96
24	100
25	112
26	120
27	125
28	140
29	144
30	150
31	168
32	175
33	180
34	200
35	210
36	216
37	240
38	245
39	252
40	280
41	288
42	294
43	320
44	324
45	336
46	343
47	378
48	384
49	392
50	420
51	432
52	441
53	448
54	480
55	486
56	490
57	504
58	512

[1, 2, 3, 4, 6, 8, 12, 16, 18, 24, 27, 32, 36, 45, 48, 54, 60, 64, 72, 75, 80, 90, 96, 100, 112, 120, 125, 140, 144, 150, 168, 175, 180, 200, 210, 216, 240, 245, 252, 280, 288, 294, 320, 324, 336, 343, 378, 384, 392, 420, 432, 441, 448, 480, 486, 490, 504, 512]

cp's OEIS Frontend

A048874 Almost-cubes: numbers n such that n/s(n) >= k/s(k) for all k where s(m) is the least surface area of a rectangular parallelepiped with integer side lengths and volume m.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	16
9	18
10	24
11	27
12	32
13	36
14	45
15	48
16	54
17	60
18	64
19	72
20	75
21	80
22	90
23	96
24	100
25	112
26	120
27	125
28	140
29	144
30	150
31	168
32	175
33	180
34	200
35	210
36	216
37	240
38	245
39	252
40	280
41	288
42	294
43	320
44	324
45	336
46	343
47	378
48	384
49	392
50	420
51	432
52	441
53	448
54	480
55	486
56	490
57	504
58	512

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	16
9	18
10	24
11	27
12	32
13	36
14	45
15	48
16	54
17	60
18	64
19	72
20	75
21	80
22	90
23	96
24	100
25	112
26	120
27	125
28	140
29	144
30	150
31	168
32	175
33	180
34	200
35	210
36	216
37	240
38	245
39	252
40	280
41	288
42	294
43	320
44	324
45	336
46	343
47	378
48	384
49	392
50	420
51	432
52	441
53	448
54	480
55	486
56	490
57	504
58	512

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	16
9	18
10	24
11	27
12	32
13	36
14	45
15	48
16	54
17	60
18	64
19	72
20	75
21	80
22	90
23	96
24	100
25	112
26	120
27	125
28	140
29	144
30	150
31	168
32	175
33	180
34	200
35	210
36	216
37	240
38	245
39	252
40	280
41	288
42	294
43	320
44	324
45	336
46	343
47	378
48	384
49	392
50	420
51	432
52	441
53	448
54	480
55	486
56	490
57	504
58	512