A345374 - cp's OEIS frontend

A345374 Number of unitary prime divisors of n whose prime index is odd.

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

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

cp's OEIS Frontend

A345374 Number of unitary prime divisors of n whose prime index is odd.

Table of values

List of values

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

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

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