A366789 - cp's OEIS frontend

A366789 Fully multiplicative with a(p) = oddpart(primepi(p)).

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

[1, 1, 1, 1, 3, 1, 1, 1, 1, 3, 5, 1, 3, 1, 3, 1, 7, 1, 1, 3, 1, 5, 9, 1, 9, 3, 1, 1, 5, 3, 11, 1, 5, 7, 3, 1, 3, 1, 3, 3, 13, 1, 7, 5, 3, 9, 15, 1, 1, 9, 7, 3, 1, 1, 15, 1, 1, 5, 17, 3, 9, 11, 1, 1, 9, 5, 19, 7, 9, 3, 5, 1, 21, 3, 9, 1, 5, 3, 11, 3, 1, 13, 23, 1, 21, 7, 5, 5, 3, 3, 3, 9, 11, 15, 3, 1, 25, 1, 5, 9]

cp's OEIS Frontend

A366789 Fully multiplicative with a(p) = oddpart(primepi(p)).

Table of values

List of values

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

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

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