A294639 - cp's OEIS frontend

A294639 a(n) = least prime p such that n divides p + prime(n).

n	a(n)
1	2
2	3
3	7
4	5
5	19
6	5
7	11
8	5
9	13
10	11
11	2
12	11
13	11
14	13
15	13
16	11
17	43
18	11
19	47
20	29
21	11
22	31
23	101
24	7
25	3
26	3
27	5
28	5
29	7
30	7
31	59
32	29
33	61
34	31
35	61
36	29
37	139
38	103
39	67
40	67
41	67
42	29
43	67
44	71
45	73
46	31
47	71
48	17
49	67
50	71
51	73
52	73
53	607
54	19
55	73
56	17
57	73
58	19
59	313
60	19
61	83
62	17
63	71
64	73
65	337
66	13
67	71

[2, 3, 7, 5, 19, 5, 11, 5, 13, 11, 2, 11, 11, 13, 13, 11, 43, 11, 47, 29, 11, 31, 101, 7, 3, 3, 5, 5, 7, 7, 59, 29, 61, 31, 61, 29, 139, 103, 67, 67, 67, 29, 67, 71, 73, 31, 71, 17, 67, 71, 73, 73, 607, 19, 73, 17, 73, 19, 313, 19, 83, 17, 71, 73, 337, 13, 71]

cp's OEIS Frontend

A294639 a(n) = least prime p such that n divides p + prime(n).

Table of values

List of values

n	a(n)
1	2
2	3
3	7
4	5
5	19
6	5
7	11
8	5
9	13
10	11
11	2
12	11
13	11
14	13
15	13
16	11
17	43
18	11
19	47
20	29
21	11
22	31
23	101
24	7
25	3
26	3
27	5
28	5
29	7
30	7
31	59
32	29
33	61
34	31
35	61
36	29
37	139
38	103
39	67
40	67
41	67
42	29
43	67
44	71
45	73
46	31
47	71
48	17
49	67
50	71
51	73
52	73
53	607
54	19
55	73
56	17
57	73
58	19
59	313
60	19
61	83
62	17
63	71
64	73
65	337
66	13
67	71

n	a(n)
1	2
2	3
3	7
4	5
5	19
6	5
7	11
8	5
9	13
10	11
11	2
12	11
13	11
14	13
15	13
16	11
17	43
18	11
19	47
20	29
21	11
22	31
23	101
24	7
25	3
26	3
27	5
28	5
29	7
30	7
31	59
32	29
33	61
34	31
35	61
36	29
37	139
38	103
39	67
40	67
41	67
42	29
43	67
44	71
45	73
46	31
47	71
48	17
49	67
50	71
51	73
52	73
53	607
54	19
55	73
56	17
57	73
58	19
59	313
60	19
61	83
62	17
63	71
64	73
65	337
66	13
67	71

n	a(n)
1	2
2	3
3	7
4	5
5	19
6	5
7	11
8	5
9	13
10	11
11	2
12	11
13	11
14	13
15	13
16	11
17	43
18	11
19	47
20	29
21	11
22	31
23	101
24	7
25	3
26	3
27	5
28	5
29	7
30	7
31	59
32	29
33	61
34	31
35	61
36	29
37	139
38	103
39	67
40	67
41	67
42	29
43	67
44	71
45	73
46	31
47	71
48	17
49	67
50	71
51	73
52	73
53	607
54	19
55	73
56	17
57	73
58	19
59	313
60	19
61	83
62	17
63	71
64	73
65	337
66	13
67	71