A060448 - cp's OEIS frontend

A060448 Each c(i) is "multiply" (*) or "divide" (/); d(1) = 1 < d(2) < ... < d(m) = n are the divisors of n; a(n) is number of choices for c(1), ..., c(m-1) so that d(1) c(1) d(2) c(2) d(3), .., c(m-1) d(m) is an integer.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	5
7	1
8	5
9	2
10	5
11	1
12	13
13	1
14	5
15	5
16	9
17	1
18	13
19	1
20	13
21	5
22	5
23	1
24	62
25	2
26	5
27	5
28	13
29	1
30	59
31	1
32	16
33	5
34	5
35	5
36	90
37	1
38	5
39	5
40	62
41	1
42	59
43	1
44	13
45	13
46	5
47	1
48	192
49	2
50	13
51	5
52	13
53	1
54	62
55	5
56	62
57	5
58	5
59	1
60	817
61	1
62	5
63	13
64	32
65	5
66	59
67	1
68	13
69	5
70	59
71	1
72	885
73	1
74	5
75	13
76	13
77	5
78	59
79	1
80	192
81	9
82	5
83	1
84	817
85	5
86	5

[1, 1, 1, 2, 1, 5, 1, 5, 2, 5, 1, 13, 1, 5, 5, 9, 1, 13, 1, 13, 5, 5, 1, 62, 2, 5, 5, 13, 1, 59, 1, 16, 5, 5, 5, 90, 1, 5, 5, 62, 1, 59, 1, 13, 13, 5, 1, 192, 2, 13, 5, 13, 1, 62, 5, 62, 5, 5, 1, 817, 1, 5, 13, 32, 5, 59, 1, 13, 5, 59, 1, 885, 1, 5, 13, 13, 5, 59, 1, 192, 9, 5, 1, 817, 5, 5]

cp's OEIS Frontend

A060448 Each c(i) is "multiply" (*) or "divide" (/); d(1) = 1 < d(2) < ... < d(m) = n are the divisors of n; a(n) is number of choices for c(1), ..., c(m-1) so that d(1) c(1) d(2) c(2) d(3), .., c(m-1) d(m) is an integer.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	5
7	1
8	5
9	2
10	5
11	1
12	13
13	1
14	5
15	5
16	9
17	1
18	13
19	1
20	13
21	5
22	5
23	1
24	62
25	2
26	5
27	5
28	13
29	1
30	59
31	1
32	16
33	5
34	5
35	5
36	90
37	1
38	5
39	5
40	62
41	1
42	59
43	1
44	13
45	13
46	5
47	1
48	192
49	2
50	13
51	5
52	13
53	1
54	62
55	5
56	62
57	5
58	5
59	1
60	817
61	1
62	5
63	13
64	32
65	5
66	59
67	1
68	13
69	5
70	59
71	1
72	885
73	1
74	5
75	13
76	13
77	5
78	59
79	1
80	192
81	9
82	5
83	1
84	817
85	5
86	5

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	5
7	1
8	5
9	2
10	5
11	1
12	13
13	1
14	5
15	5
16	9
17	1
18	13
19	1
20	13
21	5
22	5
23	1
24	62
25	2
26	5
27	5
28	13
29	1
30	59
31	1
32	16
33	5
34	5
35	5
36	90
37	1
38	5
39	5
40	62
41	1
42	59
43	1
44	13
45	13
46	5
47	1
48	192
49	2
50	13
51	5
52	13
53	1
54	62
55	5
56	62
57	5
58	5
59	1
60	817
61	1
62	5
63	13
64	32
65	5
66	59
67	1
68	13
69	5
70	59
71	1
72	885
73	1
74	5
75	13
76	13
77	5
78	59
79	1
80	192
81	9
82	5
83	1
84	817
85	5
86	5

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	5
7	1
8	5
9	2
10	5
11	1
12	13
13	1
14	5
15	5
16	9
17	1
18	13
19	1
20	13
21	5
22	5
23	1
24	62
25	2
26	5
27	5
28	13
29	1
30	59
31	1
32	16
33	5
34	5
35	5
36	90
37	1
38	5
39	5
40	62
41	1
42	59
43	1
44	13
45	13
46	5
47	1
48	192
49	2
50	13
51	5
52	13
53	1
54	62
55	5
56	62
57	5
58	5
59	1
60	817
61	1
62	5
63	13
64	32
65	5
66	59
67	1
68	13
69	5
70	59
71	1
72	885
73	1
74	5
75	13
76	13
77	5
78	59
79	1
80	192
81	9
82	5
83	1
84	817
85	5
86	5