A380691 - cp's OEIS frontend

A380691 Number of divisors d | k, d < k/d, such that (d, k/d) are neither unitary nor both coreful, where k is neither squarefree nor prime power (in A126706).

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	1
9	1
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	1
21	3
22	2
23	2
24	2
25	1
26	4
27	1
28	1
29	2
30	2
31	3
32	3
33	1
34	1
35	4
36	1
37	2
38	2
39	2
40	2
41	2
42	4
43	1
44	1
45	2
46	2
47	1
48	2
49	4
50	3
51	1
52	4
53	1
54	1
55	1
56	3
57	5
58	2
59	1
60	2
61	5
62	2
63	2
64	3
65	2
66	1
67	3
68	1
69	4
70	2
71	4
72	2
73	2
74	2
75	2
76	1
77	6
78	1
79	1
80	1
81	2
82	2
83	5
84	2
85	1
86	4
87	1

[1, 1, 1, 2, 1, 2, 2, 1, 1, 3, 1, 1, 2, 2, 2, 1, 1, 3, 1, 1, 3, 2, 2, 2, 1, 4, 1, 1, 2, 2, 3, 3, 1, 1, 4, 1, 2, 2, 2, 2, 2, 4, 1, 1, 2, 2, 1, 2, 4, 3, 1, 4, 1, 1, 1, 3, 5, 2, 1, 2, 5, 2, 2, 3, 2, 1, 3, 1, 4, 2, 4, 2, 2, 2, 2, 1, 6, 1, 1, 1, 2, 2, 5, 2, 1, 4, 1]

cp's OEIS Frontend

A380691 Number of divisors d | k, d < k/d, such that (d, k/d) are neither unitary nor both coreful, where k is neither squarefree nor prime power (in A126706).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	1
9	1
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	1
21	3
22	2
23	2
24	2
25	1
26	4
27	1
28	1
29	2
30	2
31	3
32	3
33	1
34	1
35	4
36	1
37	2
38	2
39	2
40	2
41	2
42	4
43	1
44	1
45	2
46	2
47	1
48	2
49	4
50	3
51	1
52	4
53	1
54	1
55	1
56	3
57	5
58	2
59	1
60	2
61	5
62	2
63	2
64	3
65	2
66	1
67	3
68	1
69	4
70	2
71	4
72	2
73	2
74	2
75	2
76	1
77	6
78	1
79	1
80	1
81	2
82	2
83	5
84	2
85	1
86	4
87	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	1
9	1
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	1
21	3
22	2
23	2
24	2
25	1
26	4
27	1
28	1
29	2
30	2
31	3
32	3
33	1
34	1
35	4
36	1
37	2
38	2
39	2
40	2
41	2
42	4
43	1
44	1
45	2
46	2
47	1
48	2
49	4
50	3
51	1
52	4
53	1
54	1
55	1
56	3
57	5
58	2
59	1
60	2
61	5
62	2
63	2
64	3
65	2
66	1
67	3
68	1
69	4
70	2
71	4
72	2
73	2
74	2
75	2
76	1
77	6
78	1
79	1
80	1
81	2
82	2
83	5
84	2
85	1
86	4
87	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	1
9	1
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	1
21	3
22	2
23	2
24	2
25	1
26	4
27	1
28	1
29	2
30	2
31	3
32	3
33	1
34	1
35	4
36	1
37	2
38	2
39	2
40	2
41	2
42	4
43	1
44	1
45	2
46	2
47	1
48	2
49	4
50	3
51	1
52	4
53	1
54	1
55	1
56	3
57	5
58	2
59	1
60	2
61	5
62	2
63	2
64	3
65	2
66	1
67	3
68	1
69	4
70	2
71	4
72	2
73	2
74	2
75	2
76	1
77	6
78	1
79	1
80	1
81	2
82	2
83	5
84	2
85	1
86	4
87	1