A309270 - cp's OEIS frontend

A309270 a(n) is the largest k such that the first k odd primes can be covered by n arithmetic progressions of primes.

n	a(n)
1	3
2	5
3	10
4	13
5	18
6	22
7	24
8	27
9	31
10	34
11	39
12	41
13	45
14	50
15	55
16	62
17	64
18	68
19	73
20	79
21	81
22	89
23	91
24	96
25	99
26	102
27	107
28	110
29	115
30	119
31	124
32	128
33	133
34	137
35	142
36	145
37	151
38	156
39	162
40	166
41	170
42	174
43	177
44	182
45	185
46	190
47	193
48	199
49	203
50	208

[3, 5, 10, 13, 18, 22, 24, 27, 31, 34, 39, 41, 45, 50, 55, 62, 64, 68, 73, 79, 81, 89, 91, 96, 99, 102, 107, 110, 115, 119, 124, 128, 133, 137, 142, 145, 151, 156, 162, 166, 170, 174, 177, 182, 185, 190, 193, 199, 203, 208]

cp's OEIS Frontend

A309270 a(n) is the largest k such that the first k odd primes can be covered by n arithmetic progressions of primes.

Table of values

List of values

n	a(n)
1	3
2	5
3	10
4	13
5	18
6	22
7	24
8	27
9	31
10	34
11	39
12	41
13	45
14	50
15	55
16	62
17	64
18	68
19	73
20	79
21	81
22	89
23	91
24	96
25	99
26	102
27	107
28	110
29	115
30	119
31	124
32	128
33	133
34	137
35	142
36	145
37	151
38	156
39	162
40	166
41	170
42	174
43	177
44	182
45	185
46	190
47	193
48	199
49	203
50	208

n	a(n)
1	3
2	5
3	10
4	13
5	18
6	22
7	24
8	27
9	31
10	34
11	39
12	41
13	45
14	50
15	55
16	62
17	64
18	68
19	73
20	79
21	81
22	89
23	91
24	96
25	99
26	102
27	107
28	110
29	115
30	119
31	124
32	128
33	133
34	137
35	142
36	145
37	151
38	156
39	162
40	166
41	170
42	174
43	177
44	182
45	185
46	190
47	193
48	199
49	203
50	208

n	a(n)
1	3
2	5
3	10
4	13
5	18
6	22
7	24
8	27
9	31
10	34
11	39
12	41
13	45
14	50
15	55
16	62
17	64
18	68
19	73
20	79
21	81
22	89
23	91
24	96
25	99
26	102
27	107
28	110
29	115
30	119
31	124
32	128
33	133
34	137
35	142
36	145
37	151
38	156
39	162
40	166
41	170
42	174
43	177
44	182
45	185
46	190
47	193
48	199
49	203
50	208