A336299 - cp's OEIS frontend

A336299 (Least prime > prime(n)/2) - (greatest prime < prime(n)/2).

n	a(n)
3	1
4	2
5	2
6	2
7	4
8	4
9	2
10	4
11	4
12	2
13	4
14	4
15	6
16	6
17	2
18	2
19	6
20	6
21	6
22	4
23	2
24	4
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	4
34	4
35	6
36	6
37	6
38	4
39	6
40	6
41	8
42	8
43	8
44	8
45	4
46	4
47	4
48	4
49	14
50	14
51	14
52	14
53	14
54	14
55	4
56	6
57	6
58	6
59	2
60	10
61	10
62	10
63	6
64	6
65	6
66	6
67	4
68	6
69	6
70	6
71	6
72	2
73	10
74	10
75	10
76	2
77	4
78	2
79	12
80	12
81	12
82	12
83	12

[1, 2, 2, 2, 4, 4, 2, 4, 4, 2, 4, 4, 6, 6, 2, 2, 6, 6, 6, 4, 2, 4, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 6, 6, 6, 4, 6, 6, 8, 8, 8, 8, 4, 4, 4, 4, 14, 14, 14, 14, 14, 14, 4, 6, 6, 6, 2, 10, 10, 10, 6, 6, 6, 6, 4, 6, 6, 6, 6, 2, 10, 10, 10, 2, 4, 2, 12, 12, 12, 12, 12]

cp's OEIS Frontend

A336299 (Least prime > prime(n)/2) - (greatest prime < prime(n)/2).

Table of values

List of values

n	a(n)
3	1
4	2
5	2
6	2
7	4
8	4
9	2
10	4
11	4
12	2
13	4
14	4
15	6
16	6
17	2
18	2
19	6
20	6
21	6
22	4
23	2
24	4
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	4
34	4
35	6
36	6
37	6
38	4
39	6
40	6
41	8
42	8
43	8
44	8
45	4
46	4
47	4
48	4
49	14
50	14
51	14
52	14
53	14
54	14
55	4
56	6
57	6
58	6
59	2
60	10
61	10
62	10
63	6
64	6
65	6
66	6
67	4
68	6
69	6
70	6
71	6
72	2
73	10
74	10
75	10
76	2
77	4
78	2
79	12
80	12
81	12
82	12
83	12

n	a(n)
3	1
4	2
5	2
6	2
7	4
8	4
9	2
10	4
11	4
12	2
13	4
14	4
15	6
16	6
17	2
18	2
19	6
20	6
21	6
22	4
23	2
24	4
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	4
34	4
35	6
36	6
37	6
38	4
39	6
40	6
41	8
42	8
43	8
44	8
45	4
46	4
47	4
48	4
49	14
50	14
51	14
52	14
53	14
54	14
55	4
56	6
57	6
58	6
59	2
60	10
61	10
62	10
63	6
64	6
65	6
66	6
67	4
68	6
69	6
70	6
71	6
72	2
73	10
74	10
75	10
76	2
77	4
78	2
79	12
80	12
81	12
82	12
83	12

n	a(n)
3	1
4	2
5	2
6	2
7	4
8	4
9	2
10	4
11	4
12	2
13	4
14	4
15	6
16	6
17	2
18	2
19	6
20	6
21	6
22	4
23	2
24	4
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	4
34	4
35	6
36	6
37	6
38	4
39	6
40	6
41	8
42	8
43	8
44	8
45	4
46	4
47	4
48	4
49	14
50	14
51	14
52	14
53	14
54	14
55	4
56	6
57	6
58	6
59	2
60	10
61	10
62	10
63	6
64	6
65	6
66	6
67	4
68	6
69	6
70	6
71	6
72	2
73	10
74	10
75	10
76	2
77	4
78	2
79	12
80	12
81	12
82	12
83	12