A220268 - cp's OEIS frontend

A220268 a(n) is the smallest number, such that for N >= a(n) there are at least n primes between 2N and 3N.

n	a(n)
1	2
2	5
3	13
4	14
5	23
6	25
7	33
8	43
9	46
10	58
11	60
12	61
13	71
14	77
15	80
16	88
17	103
18	104
19	116
20	123
21	127
22	144
23	145
24	148
25	150
26	160
27	163
28	181
29	188
30	196
31	200
32	203
33	206
34	214
35	218
36	237
37	247
38	253
39	263
40	266
41	270
42	275
43	276
44	287
45	313
46	323
47	333
48	340
49	344
50	347
51	350
52	354
53	363
54	365
55	388

[2, 5, 13, 14, 23, 25, 33, 43, 46, 58, 60, 61, 71, 77, 80, 88, 103, 104, 116, 123, 127, 144, 145, 148, 150, 160, 163, 181, 188, 196, 200, 203, 206, 214, 218, 237, 247, 253, 263, 266, 270, 275, 276, 287, 313, 323, 333, 340, 344, 347, 350, 354, 363, 365, 388]

cp's OEIS Frontend

A220268 a(n) is the smallest number, such that for N >= a(n) there are at least n primes between 2N and 3N.

Table of values

List of values

n	a(n)
1	2
2	5
3	13
4	14
5	23
6	25
7	33
8	43
9	46
10	58
11	60
12	61
13	71
14	77
15	80
16	88
17	103
18	104
19	116
20	123
21	127
22	144
23	145
24	148
25	150
26	160
27	163
28	181
29	188
30	196
31	200
32	203
33	206
34	214
35	218
36	237
37	247
38	253
39	263
40	266
41	270
42	275
43	276
44	287
45	313
46	323
47	333
48	340
49	344
50	347
51	350
52	354
53	363
54	365
55	388

n	a(n)
1	2
2	5
3	13
4	14
5	23
6	25
7	33
8	43
9	46
10	58
11	60
12	61
13	71
14	77
15	80
16	88
17	103
18	104
19	116
20	123
21	127
22	144
23	145
24	148
25	150
26	160
27	163
28	181
29	188
30	196
31	200
32	203
33	206
34	214
35	218
36	237
37	247
38	253
39	263
40	266
41	270
42	275
43	276
44	287
45	313
46	323
47	333
48	340
49	344
50	347
51	350
52	354
53	363
54	365
55	388

cp's OEIS Frontend

A220268 a(n) is the smallest number, such that for N >= a(n) there are at least n primes between 2*N and 3*N.

Table of values

List of values

A220268 a(n) is the smallest number, such that for N >= a(n) there are at least n primes between 2N and 3N.

n	a(n)
1	2
2	5
3	13
4	14
5	23
6	25
7	33
8	43
9	46
10	58
11	60
12	61
13	71
14	77
15	80
16	88
17	103
18	104
19	116
20	123
21	127
22	144
23	145
24	148
25	150
26	160
27	163
28	181
29	188
30	196
31	200
32	203
33	206
34	214
35	218
36	237
37	247
38	253
39	263
40	266
41	270
42	275
43	276
44	287
45	313
46	323
47	333
48	340
49	344
50	347
51	350
52	354
53	363
54	365
55	388