A139072 - cp's OEIS frontend

A139072 Smallest parameter k such that (n+k!)/n is prime.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	3
7	11
8	7
9	8
10	5
11	13
12	4
13	28
14	10
15	7
16	8
17	43
18	6
19	21
20	5
21	7
22	16
23	48
24	4
25	14
26	17
27	9
28	7
29	241
30	5
31	61
32	11
33	17
34	17
35	8
36	10
37	44
38	38
39	16
40	6
41	131
42	9
43	63
44	12
45	6
46	43
47	73
48	9
49	15
50	10
51	19
52	14
53	64
54	11
55	12
56	9
57	24
58	32
59	641
60	5
61	89
62	31
63	8
64	8
65	14
66	11
67	71
68	19
69	25
70	7
71	151
72	6
73	78
74	62
75	15
76	35
77	15
78	22
79	87

[1, 2, 3, 4, 7, 3, 11, 7, 8, 5, 13, 4, 28, 10, 7, 8, 43, 6, 21, 5, 7, 16, 48, 4, 14, 17, 9, 7, 241, 5, 61, 11, 17, 17, 8, 10, 44, 38, 16, 6, 131, 9, 63, 12, 6, 43, 73, 9, 15, 10, 19, 14, 64, 11, 12, 9, 24, 32, 641, 5, 89, 31, 8, 8, 14, 11, 71, 19, 25, 7, 151, 6, 78, 62, 15, 35, 15, 22, 87]

cp's OEIS Frontend

A139072 Smallest parameter k such that (n+k!)/n is prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	3
7	11
8	7
9	8
10	5
11	13
12	4
13	28
14	10
15	7
16	8
17	43
18	6
19	21
20	5
21	7
22	16
23	48
24	4
25	14
26	17
27	9
28	7
29	241
30	5
31	61
32	11
33	17
34	17
35	8
36	10
37	44
38	38
39	16
40	6
41	131
42	9
43	63
44	12
45	6
46	43
47	73
48	9
49	15
50	10
51	19
52	14
53	64
54	11
55	12
56	9
57	24
58	32
59	641
60	5
61	89
62	31
63	8
64	8
65	14
66	11
67	71
68	19
69	25
70	7
71	151
72	6
73	78
74	62
75	15
76	35
77	15
78	22
79	87

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	3
7	11
8	7
9	8
10	5
11	13
12	4
13	28
14	10
15	7
16	8
17	43
18	6
19	21
20	5
21	7
22	16
23	48
24	4
25	14
26	17
27	9
28	7
29	241
30	5
31	61
32	11
33	17
34	17
35	8
36	10
37	44
38	38
39	16
40	6
41	131
42	9
43	63
44	12
45	6
46	43
47	73
48	9
49	15
50	10
51	19
52	14
53	64
54	11
55	12
56	9
57	24
58	32
59	641
60	5
61	89
62	31
63	8
64	8
65	14
66	11
67	71
68	19
69	25
70	7
71	151
72	6
73	78
74	62
75	15
76	35
77	15
78	22
79	87

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	3
7	11
8	7
9	8
10	5
11	13
12	4
13	28
14	10
15	7
16	8
17	43
18	6
19	21
20	5
21	7
22	16
23	48
24	4
25	14
26	17
27	9
28	7
29	241
30	5
31	61
32	11
33	17
34	17
35	8
36	10
37	44
38	38
39	16
40	6
41	131
42	9
43	63
44	12
45	6
46	43
47	73
48	9
49	15
50	10
51	19
52	14
53	64
54	11
55	12
56	9
57	24
58	32
59	641
60	5
61	89
62	31
63	8
64	8
65	14
66	11
67	71
68	19
69	25
70	7
71	151
72	6
73	78
74	62
75	15
76	35
77	15
78	22
79	87