A258568 - cp's OEIS frontend

A258568 Smallest prime factors of 3-full numbers.

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

[1, 2, 2, 3, 2, 2, 3, 5, 2, 2, 3, 2, 7, 2, 2, 5, 2, 3, 2, 2, 2, 2, 11, 2, 2, 2, 2, 3, 13, 7, 2, 2, 5, 3, 2, 2, 2, 2, 17, 2, 2, 2, 2, 3, 19, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 23, 2, 11, 2, 5, 2, 2, 7, 3, 2, 2, 2, 3, 2, 2, 2, 2, 2, 29, 2, 2, 2, 3, 13, 31, 3, 2, 2]

cp's OEIS Frontend

A258568 Smallest prime factors of 3-full numbers.

Table of values

List of values

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

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

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