A318658 - cp's OEIS frontend

A318658 Denominators of the sequence whose Dirichlet convolution with itself yields A087003, a(2n) = 0 and a(2n+1) = moebius(2n+1).

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	8
10	1
11	2
12	1
13	2
14	1
15	4
16	1
17	2
18	1
19	2
20	1
21	4
22	1
23	2
24	1
25	8
26	1
27	16
28	1
29	2
30	1
31	2
32	1
33	4
34	1
35	4
36	1
37	2
38	1
39	4
40	1
41	2
42	1
43	2
44	1
45	16
46	1
47	2
48	1
49	8
50	1
51	4
52	1
53	2
54	1
55	4
56	1
57	4
58	1
59	2
60	1
61	2
62	1
63	16
64	1
65	4
66	1
67	2
68	1
69	4
70	1
71	2
72	1
73	2
74	1
75	16
76	1
77	4
78	1
79	2
80	1
81	128
82	1
83	2
84	1
85	4
86	1
87	4
88	1
89	2
90	1
91	4
92	1
93	4
94	1
95	4
96	1
97	2
98	1
99	16
100	1
101	2
102	1
103	2
104	1
105	8

[1, 1, 2, 1, 2, 1, 2, 1, 8, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 4, 1, 2, 1, 8, 1, 16, 1, 2, 1, 2, 1, 4, 1, 4, 1, 2, 1, 4, 1, 2, 1, 2, 1, 16, 1, 2, 1, 8, 1, 4, 1, 2, 1, 4, 1, 4, 1, 2, 1, 2, 1, 16, 1, 4, 1, 2, 1, 4, 1, 2, 1, 2, 1, 16, 1, 4, 1, 2, 1, 128, 1, 2, 1, 4, 1, 4, 1, 2, 1, 4, 1, 4, 1, 4, 1, 2, 1, 16, 1, 2, 1, 2, 1, 8]

cp's OEIS Frontend

A318658 Denominators of the sequence whose Dirichlet convolution with itself yields A087003, a(2n) = 0 and a(2n+1) = moebius(2n+1).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	8
10	1
11	2
12	1
13	2
14	1
15	4
16	1
17	2
18	1
19	2
20	1
21	4
22	1
23	2
24	1
25	8
26	1
27	16
28	1
29	2
30	1
31	2
32	1
33	4
34	1
35	4
36	1
37	2
38	1
39	4
40	1
41	2
42	1
43	2
44	1
45	16
46	1
47	2
48	1
49	8
50	1
51	4
52	1
53	2
54	1
55	4
56	1
57	4
58	1
59	2
60	1
61	2
62	1
63	16
64	1
65	4
66	1
67	2
68	1
69	4
70	1
71	2
72	1
73	2
74	1
75	16
76	1
77	4
78	1
79	2
80	1
81	128
82	1
83	2
84	1
85	4
86	1
87	4
88	1
89	2
90	1
91	4
92	1
93	4
94	1
95	4
96	1
97	2
98	1
99	16
100	1
101	2
102	1
103	2
104	1
105	8

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	8
10	1
11	2
12	1
13	2
14	1
15	4
16	1
17	2
18	1
19	2
20	1
21	4
22	1
23	2
24	1
25	8
26	1
27	16
28	1
29	2
30	1
31	2
32	1
33	4
34	1
35	4
36	1
37	2
38	1
39	4
40	1
41	2
42	1
43	2
44	1
45	16
46	1
47	2
48	1
49	8
50	1
51	4
52	1
53	2
54	1
55	4
56	1
57	4
58	1
59	2
60	1
61	2
62	1
63	16
64	1
65	4
66	1
67	2
68	1
69	4
70	1
71	2
72	1
73	2
74	1
75	16
76	1
77	4
78	1
79	2
80	1
81	128
82	1
83	2
84	1
85	4
86	1
87	4
88	1
89	2
90	1
91	4
92	1
93	4
94	1
95	4
96	1
97	2
98	1
99	16
100	1
101	2
102	1
103	2
104	1
105	8

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	8
10	1
11	2
12	1
13	2
14	1
15	4
16	1
17	2
18	1
19	2
20	1
21	4
22	1
23	2
24	1
25	8
26	1
27	16
28	1
29	2
30	1
31	2
32	1
33	4
34	1
35	4
36	1
37	2
38	1
39	4
40	1
41	2
42	1
43	2
44	1
45	16
46	1
47	2
48	1
49	8
50	1
51	4
52	1
53	2
54	1
55	4
56	1
57	4
58	1
59	2
60	1
61	2
62	1
63	16
64	1
65	4
66	1
67	2
68	1
69	4
70	1
71	2
72	1
73	2
74	1
75	16
76	1
77	4
78	1
79	2
80	1
81	128
82	1
83	2
84	1
85	4
86	1
87	4
88	1
89	2
90	1
91	4
92	1
93	4
94	1
95	4
96	1
97	2
98	1
99	16
100	1
101	2
102	1
103	2
104	1
105	8