A090975 - cp's OEIS frontend

A090975 Least integer k such that n!+1-k is prime.

n	a(n)
0	0
1	0
2	0
3	0
4	2
5	8
6	2
7	2
8	32
9	14
10	12
11	0
12	2
13	24
14	2
15	48
16	54
17	60
18	42
19	102
20	32
21	32
22	74
23	90
24	74
25	150
26	38
27	0
28	102
29	32
30	2
31	62
32	2
33	2
34	194
35	114
36	128
37	0
38	2
39	74
40	84
41	0
42	80
43	110
44	110
45	54
46	90
47	80
48	104
49	60
50	98
51	180
52	68
53	60
54	128
55	62
56	462
57	278
58	110
59	138
60	140
61	72
62	72
63	102
64	360
65	128
66	318
67	192

[0, 0, 0, 0, 2, 8, 2, 2, 32, 14, 12, 0, 2, 24, 2, 48, 54, 60, 42, 102, 32, 32, 74, 90, 74, 150, 38, 0, 102, 32, 2, 62, 2, 2, 194, 114, 128, 0, 2, 74, 84, 0, 80, 110, 110, 54, 90, 80, 104, 60, 98, 180, 68, 60, 128, 62, 462, 278, 110, 138, 140, 72, 72, 102, 360, 128, 318, 192]

cp's OEIS Frontend

A090975 Least integer k such that n!+1-k is prime.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	2
5	8
6	2
7	2
8	32
9	14
10	12
11	0
12	2
13	24
14	2
15	48
16	54
17	60
18	42
19	102
20	32
21	32
22	74
23	90
24	74
25	150
26	38
27	0
28	102
29	32
30	2
31	62
32	2
33	2
34	194
35	114
36	128
37	0
38	2
39	74
40	84
41	0
42	80
43	110
44	110
45	54
46	90
47	80
48	104
49	60
50	98
51	180
52	68
53	60
54	128
55	62
56	462
57	278
58	110
59	138
60	140
61	72
62	72
63	102
64	360
65	128
66	318
67	192

n	a(n)
0	0
1	0
2	0
3	0
4	2
5	8
6	2
7	2
8	32
9	14
10	12
11	0
12	2
13	24
14	2
15	48
16	54
17	60
18	42
19	102
20	32
21	32
22	74
23	90
24	74
25	150
26	38
27	0
28	102
29	32
30	2
31	62
32	2
33	2
34	194
35	114
36	128
37	0
38	2
39	74
40	84
41	0
42	80
43	110
44	110
45	54
46	90
47	80
48	104
49	60
50	98
51	180
52	68
53	60
54	128
55	62
56	462
57	278
58	110
59	138
60	140
61	72
62	72
63	102
64	360
65	128
66	318
67	192

n	a(n)
0	0
1	0
2	0
3	0
4	2
5	8
6	2
7	2
8	32
9	14
10	12
11	0
12	2
13	24
14	2
15	48
16	54
17	60
18	42
19	102
20	32
21	32
22	74
23	90
24	74
25	150
26	38
27	0
28	102
29	32
30	2
31	62
32	2
33	2
34	194
35	114
36	128
37	0
38	2
39	74
40	84
41	0
42	80
43	110
44	110
45	54
46	90
47	80
48	104
49	60
50	98
51	180
52	68
53	60
54	128
55	62
56	462
57	278
58	110
59	138
60	140
61	72
62	72
63	102
64	360
65	128
66	318
67	192