A338101 - cp's OEIS frontend

A338101 Smallest odd prime dividing n is a(n)-th prime, or 0 if no such prime exists.

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

[0, 0, 2, 0, 3, 2, 4, 0, 2, 3, 5, 2, 6, 4, 2, 0, 7, 2, 8, 3, 2, 5, 9, 2, 3, 6, 2, 4, 10, 2, 11, 0, 2, 7, 3, 2, 12, 8, 2, 3, 13, 2, 14, 5, 2, 9, 15, 2, 4, 3, 2, 6, 16, 2, 3, 4, 2, 10, 17, 2, 18, 11, 2, 0, 3, 2, 19, 7, 2, 3, 20, 2, 21, 12, 2, 8, 4, 2, 22, 3, 2, 13, 23, 2, 3, 14, 2, 5, 24, 2]

cp's OEIS Frontend

A338101 Smallest odd prime dividing n is a(n)-th prime, or 0 if no such prime exists.

Table of values

List of values

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

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

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