A151903 - cp's OEIS frontend

A151903 a(n) = smallest number k such that n! + k-th prime after n is prime.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	5
9	3
10	1
11	2
12	5
13	13
14	2
15	8
16	3
17	4
18	5
19	16
20	2
21	3
22	3
23	16
24	23
25	4
26	8
27	6
28	10
29	38
30	18
31	20
32	11
33	1
34	14
35	7
36	21
37	52
38	2
39	13
40	4
41	5
42	12
43	6
44	1
45	38
46	12
47	36
48	1
49	8
50	3
51	43
52	1
53	4
54	32
55	4
56	19
57	12
58	45
59	45
60	41
61	118
62	14
63	40
64	1
65	26
66	43
67	2
68	4
69	13
70	15
71	128
72	6
73	1
74	20
75	29
76	9
77	14
78	9
79	36
80	6
81	104
82	9
83	14
84	26
85	9

[1, 1, 1, 1, 1, 1, 1, 5, 3, 1, 2, 5, 13, 2, 8, 3, 4, 5, 16, 2, 3, 3, 16, 23, 4, 8, 6, 10, 38, 18, 20, 11, 1, 14, 7, 21, 52, 2, 13, 4, 5, 12, 6, 1, 38, 12, 36, 1, 8, 3, 43, 1, 4, 32, 4, 19, 12, 45, 45, 41, 118, 14, 40, 1, 26, 43, 2, 4, 13, 15, 128, 6, 1, 20, 29, 9, 14, 9, 36, 6, 104, 9, 14, 26, 9]

cp's OEIS Frontend

A151903 a(n) = smallest number k such that n! + k-th prime after n is prime.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	5
9	3
10	1
11	2
12	5
13	13
14	2
15	8
16	3
17	4
18	5
19	16
20	2
21	3
22	3
23	16
24	23
25	4
26	8
27	6
28	10
29	38
30	18
31	20
32	11
33	1
34	14
35	7
36	21
37	52
38	2
39	13
40	4
41	5
42	12
43	6
44	1
45	38
46	12
47	36
48	1
49	8
50	3
51	43
52	1
53	4
54	32
55	4
56	19
57	12
58	45
59	45
60	41
61	118
62	14
63	40
64	1
65	26
66	43
67	2
68	4
69	13
70	15
71	128
72	6
73	1
74	20
75	29
76	9
77	14
78	9
79	36
80	6
81	104
82	9
83	14
84	26
85	9

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	5
9	3
10	1
11	2
12	5
13	13
14	2
15	8
16	3
17	4
18	5
19	16
20	2
21	3
22	3
23	16
24	23
25	4
26	8
27	6
28	10
29	38
30	18
31	20
32	11
33	1
34	14
35	7
36	21
37	52
38	2
39	13
40	4
41	5
42	12
43	6
44	1
45	38
46	12
47	36
48	1
49	8
50	3
51	43
52	1
53	4
54	32
55	4
56	19
57	12
58	45
59	45
60	41
61	118
62	14
63	40
64	1
65	26
66	43
67	2
68	4
69	13
70	15
71	128
72	6
73	1
74	20
75	29
76	9
77	14
78	9
79	36
80	6
81	104
82	9
83	14
84	26
85	9

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	5
9	3
10	1
11	2
12	5
13	13
14	2
15	8
16	3
17	4
18	5
19	16
20	2
21	3
22	3
23	16
24	23
25	4
26	8
27	6
28	10
29	38
30	18
31	20
32	11
33	1
34	14
35	7
36	21
37	52
38	2
39	13
40	4
41	5
42	12
43	6
44	1
45	38
46	12
47	36
48	1
49	8
50	3
51	43
52	1
53	4
54	32
55	4
56	19
57	12
58	45
59	45
60	41
61	118
62	14
63	40
64	1
65	26
66	43
67	2
68	4
69	13
70	15
71	128
72	6
73	1
74	20
75	29
76	9
77	14
78	9
79	36
80	6
81	104
82	9
83	14
84	26
85	9