A362802 - cp's OEIS frontend

A362802 a(n) is the number of ways in which the set of divisors of n can be partitioned into disjoint parts, all of length > 1 and with integer harmonic mean.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	4
25	0
26	0
27	0
28	1
29	0
30	3
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	0
44	0
45	1
46	0
47	0
48	15
49	0
50	0
51	0
52	0
53	0
54	3
55	0
56	1
57	0
58	0
59	0
60	175
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	0
69	0
70	0
71	0
72	78
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	188
85	0

[0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 4, 0, 0, 0, 1, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 15, 0, 0, 0, 0, 0, 3, 0, 1, 0, 0, 0, 175, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 78, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 188, 0]

cp's OEIS Frontend

A362802 a(n) is the number of ways in which the set of divisors of n can be partitioned into disjoint parts, all of length > 1 and with integer harmonic mean.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	4
25	0
26	0
27	0
28	1
29	0
30	3
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	0
44	0
45	1
46	0
47	0
48	15
49	0
50	0
51	0
52	0
53	0
54	3
55	0
56	1
57	0
58	0
59	0
60	175
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	0
69	0
70	0
71	0
72	78
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	188
85	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	4
25	0
26	0
27	0
28	1
29	0
30	3
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	0
44	0
45	1
46	0
47	0
48	15
49	0
50	0
51	0
52	0
53	0
54	3
55	0
56	1
57	0
58	0
59	0
60	175
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	0
69	0
70	0
71	0
72	78
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	188
85	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	4
25	0
26	0
27	0
28	1
29	0
30	3
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	0
44	0
45	1
46	0
47	0
48	15
49	0
50	0
51	0
52	0
53	0
54	3
55	0
56	1
57	0
58	0
59	0
60	175
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	0
69	0
70	0
71	0
72	78
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	188
85	0