A162417 - cp's OEIS frontend

A162417 Find max {primes such that p < n^2, n = 2,3,...}, then the gap g(n) between that prime and its successor. This sequence is the sequence of differences {2n - g(n)}.

n	a(n)
2	2
3	2
4	4
5	4
6	6
7	8
8	10
9	14
10	16
11	8
12	14
13	20
14	24
15	26
16	26
17	24
18	22
19	30
20	36
21	38
22	36
23	28
24	42
25	38
26	48
27	48
28	42
29	44
30	40
31	48
32	54
33	62
34	58
35	64
36	66
37	68
38	68
39	66
40	76
41	58
42	66
43	72
44	72
45	80
46	76
47	88
48	84
49	86
50	74
51	86
52	96
53	90
54	100
55	96
56	96
57	92
58	106
59	96
60	106
61	114
62	110
63	104
64	122
65	120
66	124
67	124
68	120
69	114

[2, 2, 4, 4, 6, 8, 10, 14, 16, 8, 14, 20, 24, 26, 26, 24, 22, 30, 36, 38, 36, 28, 42, 38, 48, 48, 42, 44, 40, 48, 54, 62, 58, 64, 66, 68, 68, 66, 76, 58, 66, 72, 72, 80, 76, 88, 84, 86, 74, 86, 96, 90, 100, 96, 96, 92, 106, 96, 106, 114, 110, 104, 122, 120, 124, 124, 120, 114]

cp's OEIS Frontend

A162417 Find max {primes such that p < n^2, n = 2,3,...}, then the gap g(n) between that prime and its successor. This sequence is the sequence of differences {2n - g(n)}.

Table of values

List of values

n	a(n)
2	2
3	2
4	4
5	4
6	6
7	8
8	10
9	14
10	16
11	8
12	14
13	20
14	24
15	26
16	26
17	24
18	22
19	30
20	36
21	38
22	36
23	28
24	42
25	38
26	48
27	48
28	42
29	44
30	40
31	48
32	54
33	62
34	58
35	64
36	66
37	68
38	68
39	66
40	76
41	58
42	66
43	72
44	72
45	80
46	76
47	88
48	84
49	86
50	74
51	86
52	96
53	90
54	100
55	96
56	96
57	92
58	106
59	96
60	106
61	114
62	110
63	104
64	122
65	120
66	124
67	124
68	120
69	114

n	a(n)
2	2
3	2
4	4
5	4
6	6
7	8
8	10
9	14
10	16
11	8
12	14
13	20
14	24
15	26
16	26
17	24
18	22
19	30
20	36
21	38
22	36
23	28
24	42
25	38
26	48
27	48
28	42
29	44
30	40
31	48
32	54
33	62
34	58
35	64
36	66
37	68
38	68
39	66
40	76
41	58
42	66
43	72
44	72
45	80
46	76
47	88
48	84
49	86
50	74
51	86
52	96
53	90
54	100
55	96
56	96
57	92
58	106
59	96
60	106
61	114
62	110
63	104
64	122
65	120
66	124
67	124
68	120
69	114

n	a(n)
2	2
3	2
4	4
5	4
6	6
7	8
8	10
9	14
10	16
11	8
12	14
13	20
14	24
15	26
16	26
17	24
18	22
19	30
20	36
21	38
22	36
23	28
24	42
25	38
26	48
27	48
28	42
29	44
30	40
31	48
32	54
33	62
34	58
35	64
36	66
37	68
38	68
39	66
40	76
41	58
42	66
43	72
44	72
45	80
46	76
47	88
48	84
49	86
50	74
51	86
52	96
53	90
54	100
55	96
56	96
57	92
58	106
59	96
60	106
61	114
62	110
63	104
64	122
65	120
66	124
67	124
68	120
69	114