A339901 - cp's OEIS frontend

A339901 a(n) = A339971(n) / gcd(A339809(2*n), A339971(n)).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	3
7	3
8	1
9	5
10	5
11	5
12	15
13	3
14	5
15	15
16	1
17	3
18	3
19	3
20	1
21	9
22	9
23	9
24	15
25	15
26	5
27	15
28	9
29	45
30	5
31	45
32	1
33	1
34	1
35	1
36	3
37	3
38	1
39	3
40	5
41	1
42	5
43	5
44	5
45	15
46	15
47	15
48	3
49	3
50	1
51	3
52	9
53	9
54	3
55	9
56	1
57	15
58	15
59	15
60	15
61	9
62	45
63	45
64	1
65	9
66	9
67	9
68	9
69	27
70	27
71	27
72	45
73	45
74	5
75	45
76	135
77	135
78	45
79	135
80	9
81	27
82	27
83	27
84	3
85	81
86	81
87	81
88	135
89	27
90	45
91	135
92	405

[1, 1, 1, 1, 1, 3, 3, 3, 1, 5, 5, 5, 15, 3, 5, 15, 1, 3, 3, 3, 1, 9, 9, 9, 15, 15, 5, 15, 9, 45, 5, 45, 1, 1, 1, 1, 3, 3, 1, 3, 5, 1, 5, 5, 5, 15, 15, 15, 3, 3, 1, 3, 9, 9, 3, 9, 1, 15, 15, 15, 15, 9, 45, 45, 1, 9, 9, 9, 9, 27, 27, 27, 45, 45, 5, 45, 135, 135, 45, 135, 9, 27, 27, 27, 3, 81, 81, 81, 135, 27, 45, 135, 405]

cp's OEIS Frontend

A339901 a(n) = A339971(n) / gcd(A339809(2*n), A339971(n)).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	3
7	3
8	1
9	5
10	5
11	5
12	15
13	3
14	5
15	15
16	1
17	3
18	3
19	3
20	1
21	9
22	9
23	9
24	15
25	15
26	5
27	15
28	9
29	45
30	5
31	45
32	1
33	1
34	1
35	1
36	3
37	3
38	1
39	3
40	5
41	1
42	5
43	5
44	5
45	15
46	15
47	15
48	3
49	3
50	1
51	3
52	9
53	9
54	3
55	9
56	1
57	15
58	15
59	15
60	15
61	9
62	45
63	45
64	1
65	9
66	9
67	9
68	9
69	27
70	27
71	27
72	45
73	45
74	5
75	45
76	135
77	135
78	45
79	135
80	9
81	27
82	27
83	27
84	3
85	81
86	81
87	81
88	135
89	27
90	45
91	135
92	405

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	3
7	3
8	1
9	5
10	5
11	5
12	15
13	3
14	5
15	15
16	1
17	3
18	3
19	3
20	1
21	9
22	9
23	9
24	15
25	15
26	5
27	15
28	9
29	45
30	5
31	45
32	1
33	1
34	1
35	1
36	3
37	3
38	1
39	3
40	5
41	1
42	5
43	5
44	5
45	15
46	15
47	15
48	3
49	3
50	1
51	3
52	9
53	9
54	3
55	9
56	1
57	15
58	15
59	15
60	15
61	9
62	45
63	45
64	1
65	9
66	9
67	9
68	9
69	27
70	27
71	27
72	45
73	45
74	5
75	45
76	135
77	135
78	45
79	135
80	9
81	27
82	27
83	27
84	3
85	81
86	81
87	81
88	135
89	27
90	45
91	135
92	405

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	3
7	3
8	1
9	5
10	5
11	5
12	15
13	3
14	5
15	15
16	1
17	3
18	3
19	3
20	1
21	9
22	9
23	9
24	15
25	15
26	5
27	15
28	9
29	45
30	5
31	45
32	1
33	1
34	1
35	1
36	3
37	3
38	1
39	3
40	5
41	1
42	5
43	5
44	5
45	15
46	15
47	15
48	3
49	3
50	1
51	3
52	9
53	9
54	3
55	9
56	1
57	15
58	15
59	15
60	15
61	9
62	45
63	45
64	1
65	9
66	9
67	9
68	9
69	27
70	27
71	27
72	45
73	45
74	5
75	45
76	135
77	135
78	45
79	135
80	9
81	27
82	27
83	27
84	3
85	81
86	81
87	81
88	135
89	27
90	45
91	135
92	405