A359785 - cp's OEIS frontend

A359785 Dirichlet inverse of A320655, where A320655(n) is the number of factorizations of n into semiprimes.

n	a(n)
1	1
2	0
3	0
4	-1
5	0
6	-1
7	0
8	0
9	-1
10	-1
11	0
12	0
13	0
14	-1
15	-1
16	0
17	0
18	0
19	0
20	0
21	-1
22	-1
23	0
24	1
25	-1
26	-1
27	0
28	0
29	0
30	0
31	0
32	0
33	-1
34	-1
35	-1
36	1
37	0
38	-1
39	-1
40	1
41	0
42	0
43	0
44	0
45	0
46	-1
47	0
48	0
49	-1
50	0
51	-1
52	0
53	0
54	1
55	-1
56	1
57	-1
58	-1
59	0
60	2
61	0
62	-1
63	0
64	0
65	-1
66	0
67	0
68	0
69	-1
70	0
71	0
72	0
73	0
74	-1
75	0
76	0
77	-1
78	0
79	0
80	0
81	0
82	-1
83	0
84	2
85	-1
86	-1
87	-1
88	1
89	0
90	2
91	-1
92	0
93	-1
94	-1
95	-1
96	0
97	0
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0

[1, 0, 0, -1, 0, -1, 0, 0, -1, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, -1, -1, 0, 1, -1, -1, 0, 0, 0, 0, 0, 0, -1, -1, -1, 1, 0, -1, -1, 1, 0, 0, 0, 0, 0, -1, 0, 0, -1, 0, -1, 0, 0, 1, -1, 1, -1, -1, 0, 2, 0, -1, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, -1, 0, 0, 0, 0, -1, 0, 2, -1, -1, -1, 1, 0, 2, -1, 0, -1, -1, -1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0]

cp's OEIS Frontend

A359785 Dirichlet inverse of A320655, where A320655(n) is the number of factorizations of n into semiprimes.

Table of values

List of values

n	a(n)
1	1
2	0
3	0
4	-1
5	0
6	-1
7	0
8	0
9	-1
10	-1
11	0
12	0
13	0
14	-1
15	-1
16	0
17	0
18	0
19	0
20	0
21	-1
22	-1
23	0
24	1
25	-1
26	-1
27	0
28	0
29	0
30	0
31	0
32	0
33	-1
34	-1
35	-1
36	1
37	0
38	-1
39	-1
40	1
41	0
42	0
43	0
44	0
45	0
46	-1
47	0
48	0
49	-1
50	0
51	-1
52	0
53	0
54	1
55	-1
56	1
57	-1
58	-1
59	0
60	2
61	0
62	-1
63	0
64	0
65	-1
66	0
67	0
68	0
69	-1
70	0
71	0
72	0
73	0
74	-1
75	0
76	0
77	-1
78	0
79	0
80	0
81	0
82	-1
83	0
84	2
85	-1
86	-1
87	-1
88	1
89	0
90	2
91	-1
92	0
93	-1
94	-1
95	-1
96	0
97	0
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0

n	a(n)
1	1
2	0
3	0
4	-1
5	0
6	-1
7	0
8	0
9	-1
10	-1
11	0
12	0
13	0
14	-1
15	-1
16	0
17	0
18	0
19	0
20	0
21	-1
22	-1
23	0
24	1
25	-1
26	-1
27	0
28	0
29	0
30	0
31	0
32	0
33	-1
34	-1
35	-1
36	1
37	0
38	-1
39	-1
40	1
41	0
42	0
43	0
44	0
45	0
46	-1
47	0
48	0
49	-1
50	0
51	-1
52	0
53	0
54	1
55	-1
56	1
57	-1
58	-1
59	0
60	2
61	0
62	-1
63	0
64	0
65	-1
66	0
67	0
68	0
69	-1
70	0
71	0
72	0
73	0
74	-1
75	0
76	0
77	-1
78	0
79	0
80	0
81	0
82	-1
83	0
84	2
85	-1
86	-1
87	-1
88	1
89	0
90	2
91	-1
92	0
93	-1
94	-1
95	-1
96	0
97	0
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0

n	a(n)
1	1
2	0
3	0
4	-1
5	0
6	-1
7	0
8	0
9	-1
10	-1
11	0
12	0
13	0
14	-1
15	-1
16	0
17	0
18	0
19	0
20	0
21	-1
22	-1
23	0
24	1
25	-1
26	-1
27	0
28	0
29	0
30	0
31	0
32	0
33	-1
34	-1
35	-1
36	1
37	0
38	-1
39	-1
40	1
41	0
42	0
43	0
44	0
45	0
46	-1
47	0
48	0
49	-1
50	0
51	-1
52	0
53	0
54	1
55	-1
56	1
57	-1
58	-1
59	0
60	2
61	0
62	-1
63	0
64	0
65	-1
66	0
67	0
68	0
69	-1
70	0
71	0
72	0
73	0
74	-1
75	0
76	0
77	-1
78	0
79	0
80	0
81	0
82	-1
83	0
84	2
85	-1
86	-1
87	-1
88	1
89	0
90	2
91	-1
92	0
93	-1
94	-1
95	-1
96	0
97	0
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0