A212282 - cp's OEIS frontend

A212282 Minimal m >= 1 such that n!/m-1 is prime.

n	a(n)
3	1
4	1
5	2
6	1
7	1
8	4
9	2
10	4
11	5
12	1
13	10
14	1
15	4
16	3
17	6
18	4
19	8
20	6
21	9
22	25
23	4
24	28
25	12
26	11
27	9
28	10
29	3
30	1
31	2
32	1
33	1
34	3
35	34
36	5
37	9
38	1
39	35
40	24
41	2
42	5
43	3
44	24
45	16
46	7
47	5
48	32
49	23
50	6
51	13
52	13
53	16
54	7
55	6
56	20
57	7
58	31
59	6
60	94
61	22
62	26
63	78
64	9
65	21
66	8
67	15
68	11
69	88
70	11
71	7
72	58
73	64
74	56
75	16

[1, 1, 2, 1, 1, 4, 2, 4, 5, 1, 10, 1, 4, 3, 6, 4, 8, 6, 9, 25, 4, 28, 12, 11, 9, 10, 3, 1, 2, 1, 1, 3, 34, 5, 9, 1, 35, 24, 2, 5, 3, 24, 16, 7, 5, 32, 23, 6, 13, 13, 16, 7, 6, 20, 7, 31, 6, 94, 22, 26, 78, 9, 21, 8, 15, 11, 88, 11, 7, 58, 64, 56, 16]

cp's OEIS Frontend

A212282 Minimal m >= 1 such that n!/m-1 is prime.

Table of values

List of values

n	a(n)
3	1
4	1
5	2
6	1
7	1
8	4
9	2
10	4
11	5
12	1
13	10
14	1
15	4
16	3
17	6
18	4
19	8
20	6
21	9
22	25
23	4
24	28
25	12
26	11
27	9
28	10
29	3
30	1
31	2
32	1
33	1
34	3
35	34
36	5
37	9
38	1
39	35
40	24
41	2
42	5
43	3
44	24
45	16
46	7
47	5
48	32
49	23
50	6
51	13
52	13
53	16
54	7
55	6
56	20
57	7
58	31
59	6
60	94
61	22
62	26
63	78
64	9
65	21
66	8
67	15
68	11
69	88
70	11
71	7
72	58
73	64
74	56
75	16

n	a(n)
3	1
4	1
5	2
6	1
7	1
8	4
9	2
10	4
11	5
12	1
13	10
14	1
15	4
16	3
17	6
18	4
19	8
20	6
21	9
22	25
23	4
24	28
25	12
26	11
27	9
28	10
29	3
30	1
31	2
32	1
33	1
34	3
35	34
36	5
37	9
38	1
39	35
40	24
41	2
42	5
43	3
44	24
45	16
46	7
47	5
48	32
49	23
50	6
51	13
52	13
53	16
54	7
55	6
56	20
57	7
58	31
59	6
60	94
61	22
62	26
63	78
64	9
65	21
66	8
67	15
68	11
69	88
70	11
71	7
72	58
73	64
74	56
75	16

n	a(n)
3	1
4	1
5	2
6	1
7	1
8	4
9	2
10	4
11	5
12	1
13	10
14	1
15	4
16	3
17	6
18	4
19	8
20	6
21	9
22	25
23	4
24	28
25	12
26	11
27	9
28	10
29	3
30	1
31	2
32	1
33	1
34	3
35	34
36	5
37	9
38	1
39	35
40	24
41	2
42	5
43	3
44	24
45	16
46	7
47	5
48	32
49	23
50	6
51	13
52	13
53	16
54	7
55	6
56	20
57	7
58	31
59	6
60	94
61	22
62	26
63	78
64	9
65	21
66	8
67	15
68	11
69	88
70	11
71	7
72	58
73	64
74	56
75	16