A220269 - cp's OEIS frontend

A220269 a(n) is the smallest number, such that for all N >= a(n) there are at least n primes between 3N and 4N.

n	a(n)
1	2
2	8
3	11
4	17
5	26
6	38
7	40
8	41
9	48
10	57
11	68
12	68
13	70
14	87
15	96
16	100
17	108
18	109
19	110
20	115
21	136
22	149
23	151
24	161
25	161
26	169
27	176
28	178
29	184
30	206
31	208
32	227
33	235
34	236
35	242
36	255
37	259
38	260
39	263
40	272
41	297
42	299
43	305
44	320
45	356
46	358
47	359
48	371
49	371
50	372
51	378
52	386
53	389
54	392
55	400

[2, 8, 11, 17, 26, 38, 40, 41, 48, 57, 68, 68, 70, 87, 96, 100, 108, 109, 110, 115, 136, 149, 151, 161, 161, 169, 176, 178, 184, 206, 208, 227, 235, 236, 242, 255, 259, 260, 263, 272, 297, 299, 305, 320, 356, 358, 359, 371, 371, 372, 378, 386, 389, 392, 400]

cp's OEIS Frontend

A220269 a(n) is the smallest number, such that for all N >= a(n) there are at least n primes between 3N and 4N.

Table of values

List of values

n	a(n)
1	2
2	8
3	11
4	17
5	26
6	38
7	40
8	41
9	48
10	57
11	68
12	68
13	70
14	87
15	96
16	100
17	108
18	109
19	110
20	115
21	136
22	149
23	151
24	161
25	161
26	169
27	176
28	178
29	184
30	206
31	208
32	227
33	235
34	236
35	242
36	255
37	259
38	260
39	263
40	272
41	297
42	299
43	305
44	320
45	356
46	358
47	359
48	371
49	371
50	372
51	378
52	386
53	389
54	392
55	400

n	a(n)
1	2
2	8
3	11
4	17
5	26
6	38
7	40
8	41
9	48
10	57
11	68
12	68
13	70
14	87
15	96
16	100
17	108
18	109
19	110
20	115
21	136
22	149
23	151
24	161
25	161
26	169
27	176
28	178
29	184
30	206
31	208
32	227
33	235
34	236
35	242
36	255
37	259
38	260
39	263
40	272
41	297
42	299
43	305
44	320
45	356
46	358
47	359
48	371
49	371
50	372
51	378
52	386
53	389
54	392
55	400

cp's OEIS Frontend

A220269 a(n) is the smallest number, such that for all N >= a(n) there are at least n primes between 3*N and 4*N.

Table of values

List of values

A220269 a(n) is the smallest number, such that for all N >= a(n) there are at least n primes between 3N and 4N.

n	a(n)
1	2
2	8
3	11
4	17
5	26
6	38
7	40
8	41
9	48
10	57
11	68
12	68
13	70
14	87
15	96
16	100
17	108
18	109
19	110
20	115
21	136
22	149
23	151
24	161
25	161
26	169
27	176
28	178
29	184
30	206
31	208
32	227
33	235
34	236
35	242
36	255
37	259
38	260
39	263
40	272
41	297
42	299
43	305
44	320
45	356
46	358
47	359
48	371
49	371
50	372
51	378
52	386
53	389
54	392
55	400