A214055 - cp's OEIS frontend

A214055 Least m>0 such that n!+2+m and n-m have a common divisor > 1.

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

[1, 2, 3, 1, 5, 2, 1, 2, 9, 1, 11, 2, 1, 2, 15, 1, 17, 2, 1, 2, 21, 1, 3, 2, 1, 2, 27, 1, 29, 2, 1, 2, 3, 1, 35, 2, 1, 2, 39, 1, 41, 2, 1, 2, 45, 1, 5, 2, 1, 2, 51, 1, 3, 2, 1, 2, 57, 1, 59, 2, 1, 2, 3, 1, 65, 2, 1, 2, 69, 1, 71, 2, 1, 2, 5, 1, 77, 2, 1, 2]

cp's OEIS Frontend

A214055 Least m>0 such that n!+2+m and n-m have a common divisor > 1.

Table of values

List of values

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

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

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