A117367 - cp's OEIS frontend

A117367 a(n) = smallest prime greater than the smallest prime dividing n.

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

[2, 3, 5, 3, 7, 3, 11, 3, 5, 3, 13, 3, 17, 3, 5, 3, 19, 3, 23, 3, 5, 3, 29, 3, 7, 3, 5, 3, 31, 3, 37, 3, 5, 3, 7, 3, 41, 3, 5, 3, 43, 3, 47, 3, 5, 3, 53, 3, 11, 3, 5, 3, 59, 3, 7, 3, 5, 3, 61, 3, 67, 3, 5, 3, 7, 3, 71, 3, 5, 3, 73, 3, 79, 3, 5, 3, 11, 3, 83, 3, 5, 3, 89, 3, 7, 3, 5, 3, 97, 3, 11, 3, 5]

cp's OEIS Frontend

A117367 a(n) = smallest prime greater than the smallest prime dividing n.

Table of values

List of values

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

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

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