A229990 - cp's OEIS frontend

A229990 Numbers k such that the interval [floor((k+1)/2), floor(3(k+1)/2)] contains more primes than the interval [floor(k/2), floor(3k/2)] does.

n	a(n)
1	1
2	3
3	4
4	8
5	12
6	19
7	20
8	24
9	28
10	31
11	40
12	44
13	48
14	52
15	55
16	64
17	67
18	68
19	71
20	72
21	84
22	91
23	92
24	99
25	100
26	104
27	108
28	111
29	115
30	120
31	127
32	128
33	131
34	132
35	140
36	148
37	151
38	152
39	155
40	160
41	171
42	175
43	180
44	184
45	187
46	188
47	204
48	208
49	211
50	220
51	224
52	231
53	232
54	235
55	239
56	244
57	248
58	252

[1, 3, 4, 8, 12, 19, 20, 24, 28, 31, 40, 44, 48, 52, 55, 64, 67, 68, 71, 72, 84, 91, 92, 99, 100, 104, 108, 111, 115, 120, 127, 128, 131, 132, 140, 148, 151, 152, 155, 160, 171, 175, 180, 184, 187, 188, 204, 208, 211, 220, 224, 231, 232, 235, 239, 244, 248, 252]

cp's OEIS Frontend

A229990 Numbers k such that the interval [floor((k+1)/2), floor(3(k+1)/2)] contains more primes than the interval [floor(k/2), floor(3k/2)] does.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	8
5	12
6	19
7	20
8	24
9	28
10	31
11	40
12	44
13	48
14	52
15	55
16	64
17	67
18	68
19	71
20	72
21	84
22	91
23	92
24	99
25	100
26	104
27	108
28	111
29	115
30	120
31	127
32	128
33	131
34	132
35	140
36	148
37	151
38	152
39	155
40	160
41	171
42	175
43	180
44	184
45	187
46	188
47	204
48	208
49	211
50	220
51	224
52	231
53	232
54	235
55	239
56	244
57	248
58	252

n	a(n)
1	1
2	3
3	4
4	8
5	12
6	19
7	20
8	24
9	28
10	31
11	40
12	44
13	48
14	52
15	55
16	64
17	67
18	68
19	71
20	72
21	84
22	91
23	92
24	99
25	100
26	104
27	108
28	111
29	115
30	120
31	127
32	128
33	131
34	132
35	140
36	148
37	151
38	152
39	155
40	160
41	171
42	175
43	180
44	184
45	187
46	188
47	204
48	208
49	211
50	220
51	224
52	231
53	232
54	235
55	239
56	244
57	248
58	252

cp's OEIS Frontend

A229990 Numbers k such that the interval [floor((k+1)/2), floor(3*(k+1)/2)] contains more primes than the interval [floor(k/2), floor(3*k/2)] does.

Table of values

List of values

A229990 Numbers k such that the interval [floor((k+1)/2), floor(3(k+1)/2)] contains more primes than the interval [floor(k/2), floor(3k/2)] does.

n	a(n)
1	1
2	3
3	4
4	8
5	12
6	19
7	20
8	24
9	28
10	31
11	40
12	44
13	48
14	52
15	55
16	64
17	67
18	68
19	71
20	72
21	84
22	91
23	92
24	99
25	100
26	104
27	108
28	111
29	115
30	120
31	127
32	128
33	131
34	132
35	140
36	148
37	151
38	152
39	155
40	160
41	171
42	175
43	180
44	184
45	187
46	188
47	204
48	208
49	211
50	220
51	224
52	231
53	232
54	235
55	239
56	244
57	248
58	252