A238161 - cp's OEIS frontend

A238161 Greatest common divisor of the prime factors of n, each increased by 1.

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

[3, 4, 3, 6, 1, 8, 3, 4, 3, 12, 1, 14, 1, 2, 3, 18, 1, 20, 3, 4, 3, 24, 1, 6, 1, 4, 1, 30, 1, 32, 3, 4, 3, 2, 1, 38, 1, 2, 3, 42, 1, 44, 3, 2, 3, 48, 1, 8, 3, 2, 1, 54, 1, 6, 1, 4, 3, 60, 1, 62, 1, 4, 3, 2, 1, 68, 3, 4, 1, 72, 1, 74, 1, 2, 1, 4, 1, 80, 3, 4, 3, 84, 1, 6, 1, 2, 3, 90, 1, 2, 3, 4, 3, 2, 1, 98, 1, 4, 3]

cp's OEIS Frontend

A238161 Greatest common divisor of the prime factors of n, each increased by 1.

Table of values

List of values

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

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

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