A382493 - cp's OEIS frontend

A382493 a(n) is the 2-adic valuation of the least number that has exactly n 3-smooth divisors.

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	3
9	2
10	4
11	10
12	3
13	12
14	6
15	4
16	3
17	16
18	5
19	18
20	4
21	6
22	10
23	22
24	5
25	4
26	12
27	8
28	6
29	28
30	5
31	30
32	7
33	10
34	16
35	6
36	8
37	36
38	18
39	12
40	7
41	40
42	6
43	42
44	10
45	8
46	22
47	46
48	7
49	6
50	9
51	16
52	12
53	52
54	8
55	10
56	7
57	18
58	28
59	58
60	9
61	60
62	30
63	8
64	7
65	12
66	10
67	66
68	16
69	22
70	9
71	70
72	11
73	72
74	36
75	14

[0, 1, 2, 1, 4, 2, 6, 3, 2, 4, 10, 3, 12, 6, 4, 3, 16, 5, 18, 4, 6, 10, 22, 5, 4, 12, 8, 6, 28, 5, 30, 7, 10, 16, 6, 8, 36, 18, 12, 7, 40, 6, 42, 10, 8, 22, 46, 7, 6, 9, 16, 12, 52, 8, 10, 7, 18, 28, 58, 9, 60, 30, 8, 7, 12, 10, 66, 16, 22, 9, 70, 11, 72, 36, 14]

cp's OEIS Frontend

A382493 a(n) is the 2-adic valuation of the least number that has exactly n 3-smooth divisors.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	3
9	2
10	4
11	10
12	3
13	12
14	6
15	4
16	3
17	16
18	5
19	18
20	4
21	6
22	10
23	22
24	5
25	4
26	12
27	8
28	6
29	28
30	5
31	30
32	7
33	10
34	16
35	6
36	8
37	36
38	18
39	12
40	7
41	40
42	6
43	42
44	10
45	8
46	22
47	46
48	7
49	6
50	9
51	16
52	12
53	52
54	8
55	10
56	7
57	18
58	28
59	58
60	9
61	60
62	30
63	8
64	7
65	12
66	10
67	66
68	16
69	22
70	9
71	70
72	11
73	72
74	36
75	14

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	3
9	2
10	4
11	10
12	3
13	12
14	6
15	4
16	3
17	16
18	5
19	18
20	4
21	6
22	10
23	22
24	5
25	4
26	12
27	8
28	6
29	28
30	5
31	30
32	7
33	10
34	16
35	6
36	8
37	36
38	18
39	12
40	7
41	40
42	6
43	42
44	10
45	8
46	22
47	46
48	7
49	6
50	9
51	16
52	12
53	52
54	8
55	10
56	7
57	18
58	28
59	58
60	9
61	60
62	30
63	8
64	7
65	12
66	10
67	66
68	16
69	22
70	9
71	70
72	11
73	72
74	36
75	14

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	3
9	2
10	4
11	10
12	3
13	12
14	6
15	4
16	3
17	16
18	5
19	18
20	4
21	6
22	10
23	22
24	5
25	4
26	12
27	8
28	6
29	28
30	5
31	30
32	7
33	10
34	16
35	6
36	8
37	36
38	18
39	12
40	7
41	40
42	6
43	42
44	10
45	8
46	22
47	46
48	7
49	6
50	9
51	16
52	12
53	52
54	8
55	10
56	7
57	18
58	28
59	58
60	9
61	60
62	30
63	8
64	7
65	12
66	10
67	66
68	16
69	22
70	9
71	70
72	11
73	72
74	36
75	14