A343717 - cp's OEIS frontend

A343717 a(n) is the smallest number that yields a prime when appended to n!.

n	a(n)
0	1
1	1
2	3
3	1
4	1
5	1
6	7
7	11
8	29
9	17
10	43
11	29
12	13
13	47
14	19
15	73
16	37
17	19
18	41
19	103
20	41
21	31
22	43
23	1
24	113
25	31
26	37
27	59
28	41
29	53
30	41
31	47
32	1
33	41
34	149
35	37
36	53
37	73
38	337
39	1
40	103
41	151
42	293
43	47
44	107
45	509
46	127
47	71
48	167
49	197
50	167
51	149
52	67
53	163
54	139
55	251
56	59
57	107
58	241
59	331
60	269
61	1
62	149

[1, 1, 3, 1, 1, 1, 7, 11, 29, 17, 43, 29, 13, 47, 19, 73, 37, 19, 41, 103, 41, 31, 43, 1, 113, 31, 37, 59, 41, 53, 41, 47, 1, 41, 149, 37, 53, 73, 337, 1, 103, 151, 293, 47, 107, 509, 127, 71, 167, 197, 167, 149, 67, 163, 139, 251, 59, 107, 241, 331, 269, 1, 149]

cp's OEIS Frontend

A343717 a(n) is the smallest number that yields a prime when appended to n!.

Table of values

List of values

n	a(n)
0	1
1	1
2	3
3	1
4	1
5	1
6	7
7	11
8	29
9	17
10	43
11	29
12	13
13	47
14	19
15	73
16	37
17	19
18	41
19	103
20	41
21	31
22	43
23	1
24	113
25	31
26	37
27	59
28	41
29	53
30	41
31	47
32	1
33	41
34	149
35	37
36	53
37	73
38	337
39	1
40	103
41	151
42	293
43	47
44	107
45	509
46	127
47	71
48	167
49	197
50	167
51	149
52	67
53	163
54	139
55	251
56	59
57	107
58	241
59	331
60	269
61	1
62	149

n	a(n)
0	1
1	1
2	3
3	1
4	1
5	1
6	7
7	11
8	29
9	17
10	43
11	29
12	13
13	47
14	19
15	73
16	37
17	19
18	41
19	103
20	41
21	31
22	43
23	1
24	113
25	31
26	37
27	59
28	41
29	53
30	41
31	47
32	1
33	41
34	149
35	37
36	53
37	73
38	337
39	1
40	103
41	151
42	293
43	47
44	107
45	509
46	127
47	71
48	167
49	197
50	167
51	149
52	67
53	163
54	139
55	251
56	59
57	107
58	241
59	331
60	269
61	1
62	149

n	a(n)
0	1
1	1
2	3
3	1
4	1
5	1
6	7
7	11
8	29
9	17
10	43
11	29
12	13
13	47
14	19
15	73
16	37
17	19
18	41
19	103
20	41
21	31
22	43
23	1
24	113
25	31
26	37
27	59
28	41
29	53
30	41
31	47
32	1
33	41
34	149
35	37
36	53
37	73
38	337
39	1
40	103
41	151
42	293
43	47
44	107
45	509
46	127
47	71
48	167
49	197
50	167
51	149
52	67
53	163
54	139
55	251
56	59
57	107
58	241
59	331
60	269
61	1
62	149