A295665 - cp's OEIS frontend

A295665 Fully multiplicative with a(prime(m)) = prime(k) when m = prime(k), and a(prime(m)) = 1 when m is not a prime.

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

[1, 1, 2, 1, 3, 2, 1, 1, 4, 3, 5, 2, 1, 1, 6, 1, 7, 4, 1, 3, 2, 5, 1, 2, 9, 1, 8, 1, 1, 6, 11, 1, 10, 7, 3, 4, 1, 1, 2, 3, 13, 2, 1, 5, 12, 1, 1, 2, 1, 9, 14, 1, 1, 8, 15, 1, 2, 1, 17, 6, 1, 11, 4, 1, 3, 10, 19, 7, 2, 3, 1, 4, 1, 1, 18, 1, 5, 2, 1, 3, 16, 13, 23, 2, 21, 1, 2, 5, 1, 12, 1, 1, 22, 1, 3, 2, 1, 1, 20, 9, 1, 14, 1, 1, 6]

cp's OEIS Frontend

A295665 Fully multiplicative with a(prime(m)) = prime(k) when m = prime(k), and a(prime(m)) = 1 when m is not a prime.

Table of values

List of values

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

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

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