A143226 - cp's OEIS frontend

A143226 Numbers n such that there are more primes between n and 2n than between n^2 and (n+1)^2.

n	a(n)
1	42
2	55
3	56
4	58
5	69
6	77
7	80
8	119
9	136
10	137
11	143
12	145
13	149
14	156
15	174
16	177
17	178
18	188
19	219
20	225
21	232
22	247
23	253
24	254
25	257
26	261
27	263
28	297
29	306
30	310
31	325
32	327
33	331
34	335
35	339
36	341
37	344
38	356
39	379
40	395
41	402
42	410
43	418
44	421
45	425
46	433
47	451
48	485
49	500

[42, 55, 56, 58, 69, 77, 80, 119, 136, 137, 143, 145, 149, 156, 174, 177, 178, 188, 219, 225, 232, 247, 253, 254, 257, 261, 263, 297, 306, 310, 325, 327, 331, 335, 339, 341, 344, 356, 379, 395, 402, 410, 418, 421, 425, 433, 451, 485, 500]

cp's OEIS Frontend

A143226 Numbers n such that there are more primes between n and 2n than between n^2 and (n+1)^2.

Table of values

List of values

n	a(n)
1	42
2	55
3	56
4	58
5	69
6	77
7	80
8	119
9	136
10	137
11	143
12	145
13	149
14	156
15	174
16	177
17	178
18	188
19	219
20	225
21	232
22	247
23	253
24	254
25	257
26	261
27	263
28	297
29	306
30	310
31	325
32	327
33	331
34	335
35	339
36	341
37	344
38	356
39	379
40	395
41	402
42	410
43	418
44	421
45	425
46	433
47	451
48	485
49	500

n	a(n)
1	42
2	55
3	56
4	58
5	69
6	77
7	80
8	119
9	136
10	137
11	143
12	145
13	149
14	156
15	174
16	177
17	178
18	188
19	219
20	225
21	232
22	247
23	253
24	254
25	257
26	261
27	263
28	297
29	306
30	310
31	325
32	327
33	331
34	335
35	339
36	341
37	344
38	356
39	379
40	395
41	402
42	410
43	418
44	421
45	425
46	433
47	451
48	485
49	500

n	a(n)
1	42
2	55
3	56
4	58
5	69
6	77
7	80
8	119
9	136
10	137
11	143
12	145
13	149
14	156
15	174
16	177
17	178
18	188
19	219
20	225
21	232
22	247
23	253
24	254
25	257
26	261
27	263
28	297
29	306
30	310
31	325
32	327
33	331
34	335
35	339
36	341
37	344
38	356
39	379
40	395
41	402
42	410
43	418
44	421
45	425
46	433
47	451
48	485
49	500