A082470 - cp's OEIS frontend

A082470 a(n) is the number of k >= 0 such that k! + prime(n) is prime.

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

[2, 1, 3, 4, 5, 3, 6, 7, 6, 6, 9, 11, 9, 5, 10, 9, 10, 9, 9, 8, 9, 9, 11, 8, 10, 10, 12, 16, 12, 10, 10, 13, 14, 14, 16, 11, 12, 9, 15, 10, 9, 8, 12, 9, 10, 6, 8, 7, 14, 13, 10, 21, 15, 9, 13, 11, 9, 19, 12, 13, 16, 11, 19, 17, 9, 13]

cp's OEIS Frontend

A082470 a(n) is the number of k >= 0 such that k! + prime(n) is prime.

Table of values

List of values

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

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

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