A109833 - cp's OEIS frontend

A109833 Smallest prime starting an arithmetic progression meeting also prime(n) and having a maximal number of terms less than prime(n).

n	a(n)
2	2
3	3
4	3
5	3
6	7
7	5
8	3
9	5
10	5
11	3
12	19
13	5
14	7
15	11
16	5
17	5
18	13
19	7
20	3
21	13
22	61
23	47
24	5
25	7
26	11
27	13
28	53
29	13
30	23
31	7
32	11
33	5
34	31
35	5
36	79
37	7
38	127
39	5
40	5
41	23
42	19
43	11
44	67
45	5
46	19
47	3
48	7
49	107
50	31
51	53
52	41
53	151
54	11
55	107
56	227
57	251
58	151
59	37
60	11
61	43
62	53
63	73
64	11
65	7
66	47
67	61
68	61
69	23
70	241
71	53
72	71
73	277
74	13

[2, 3, 3, 3, 7, 5, 3, 5, 5, 3, 19, 5, 7, 11, 5, 5, 13, 7, 3, 13, 61, 47, 5, 7, 11, 13, 53, 13, 23, 7, 11, 5, 31, 5, 79, 7, 127, 5, 5, 23, 19, 11, 67, 5, 19, 3, 7, 107, 31, 53, 41, 151, 11, 107, 227, 251, 151, 37, 11, 43, 53, 73, 11, 7, 47, 61, 61, 23, 241, 53, 71, 277, 13]

cp's OEIS Frontend

A109833 Smallest prime starting an arithmetic progression meeting also prime(n) and having a maximal number of terms less than prime(n).

Table of values

List of values

n	a(n)
2	2
3	3
4	3
5	3
6	7
7	5
8	3
9	5
10	5
11	3
12	19
13	5
14	7
15	11
16	5
17	5
18	13
19	7
20	3
21	13
22	61
23	47
24	5
25	7
26	11
27	13
28	53
29	13
30	23
31	7
32	11
33	5
34	31
35	5
36	79
37	7
38	127
39	5
40	5
41	23
42	19
43	11
44	67
45	5
46	19
47	3
48	7
49	107
50	31
51	53
52	41
53	151
54	11
55	107
56	227
57	251
58	151
59	37
60	11
61	43
62	53
63	73
64	11
65	7
66	47
67	61
68	61
69	23
70	241
71	53
72	71
73	277
74	13

n	a(n)
2	2
3	3
4	3
5	3
6	7
7	5
8	3
9	5
10	5
11	3
12	19
13	5
14	7
15	11
16	5
17	5
18	13
19	7
20	3
21	13
22	61
23	47
24	5
25	7
26	11
27	13
28	53
29	13
30	23
31	7
32	11
33	5
34	31
35	5
36	79
37	7
38	127
39	5
40	5
41	23
42	19
43	11
44	67
45	5
46	19
47	3
48	7
49	107
50	31
51	53
52	41
53	151
54	11
55	107
56	227
57	251
58	151
59	37
60	11
61	43
62	53
63	73
64	11
65	7
66	47
67	61
68	61
69	23
70	241
71	53
72	71
73	277
74	13

n	a(n)
2	2
3	3
4	3
5	3
6	7
7	5
8	3
9	5
10	5
11	3
12	19
13	5
14	7
15	11
16	5
17	5
18	13
19	7
20	3
21	13
22	61
23	47
24	5
25	7
26	11
27	13
28	53
29	13
30	23
31	7
32	11
33	5
34	31
35	5
36	79
37	7
38	127
39	5
40	5
41	23
42	19
43	11
44	67
45	5
46	19
47	3
48	7
49	107
50	31
51	53
52	41
53	151
54	11
55	107
56	227
57	251
58	151
59	37
60	11
61	43
62	53
63	73
64	11
65	7
66	47
67	61
68	61
69	23
70	241
71	53
72	71
73	277
74	13