A085643 - cp's OEIS frontend

A085643 Refines sequence A078812 using permutations and products of exponents on least prime signatures.

n	a(n)
1	1
2	2
3	1
4	3
5	4
6	1
7	4
8	6
9	4
10	6
11	1
12	5
13	8
14	12
15	9
16	12
17	8
18	1
19	6
20	10
21	16
22	9
23	12
24	36
25	8
26	12
27	24
28	10
29	1
30	7
31	12
32	20
33	24
34	15
35	48
36	36
37	27
38	16
39	72
40	32
41	15
42	40
43	12
44	1
45	8
46	14
47	24
48	30
49	16
50	18
51	60
52	48
53	72
54	54
55	20
56	96
57	144
58	54
59	16
60	20
61	120
62	80
63	18
64	60
65	14
66	1

[1, 2, 1, 3, 4, 1, 4, 6, 4, 6, 1, 5, 8, 12, 9, 12, 8, 1, 6, 10, 16, 9, 12, 36, 8, 12, 24, 10, 1, 7, 12, 20, 24, 15, 48, 36, 27, 16, 72, 32, 15, 40, 12, 1, 8, 14, 24, 30, 16, 18, 60, 48, 72, 54, 20, 96, 144, 54, 16, 20, 120, 80, 18, 60, 14, 1]

cp's OEIS Frontend

A085643 Refines sequence A078812 using permutations and products of exponents on least prime signatures.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	4
6	1
7	4
8	6
9	4
10	6
11	1
12	5
13	8
14	12
15	9
16	12
17	8
18	1
19	6
20	10
21	16
22	9
23	12
24	36
25	8
26	12
27	24
28	10
29	1
30	7
31	12
32	20
33	24
34	15
35	48
36	36
37	27
38	16
39	72
40	32
41	15
42	40
43	12
44	1
45	8
46	14
47	24
48	30
49	16
50	18
51	60
52	48
53	72
54	54
55	20
56	96
57	144
58	54
59	16
60	20
61	120
62	80
63	18
64	60
65	14
66	1

n	a(n)
1	1
2	2
3	1
4	3
5	4
6	1
7	4
8	6
9	4
10	6
11	1
12	5
13	8
14	12
15	9
16	12
17	8
18	1
19	6
20	10
21	16
22	9
23	12
24	36
25	8
26	12
27	24
28	10
29	1
30	7
31	12
32	20
33	24
34	15
35	48
36	36
37	27
38	16
39	72
40	32
41	15
42	40
43	12
44	1
45	8
46	14
47	24
48	30
49	16
50	18
51	60
52	48
53	72
54	54
55	20
56	96
57	144
58	54
59	16
60	20
61	120
62	80
63	18
64	60
65	14
66	1

n	a(n)
1	1
2	2
3	1
4	3
5	4
6	1
7	4
8	6
9	4
10	6
11	1
12	5
13	8
14	12
15	9
16	12
17	8
18	1
19	6
20	10
21	16
22	9
23	12
24	36
25	8
26	12
27	24
28	10
29	1
30	7
31	12
32	20
33	24
34	15
35	48
36	36
37	27
38	16
39	72
40	32
41	15
42	40
43	12
44	1
45	8
46	14
47	24
48	30
49	16
50	18
51	60
52	48
53	72
54	54
55	20
56	96
57	144
58	54
59	16
60	20
61	120
62	80
63	18
64	60
65	14
66	1