A125604 - cp's OEIS frontend

A125604 Minimum of the largest prime factors of a number and its two neighbors.

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

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

cp's OEIS Frontend

A125604 Minimum of the largest prime factors of a number and its two neighbors.

Table of values

List of values

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

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

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