A335185 - cp's OEIS frontend

A335185 a(n) = nextprime(ceiling(n/2)-1) - prevprime(floor(n/2)+1), where nextprime = A151800 and prevprime = A151799.

n	a(n)
4	0
5	1
6	0
7	2
8	2
9	2
10	0
11	2
12	2
13	2
14	0
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	0
23	2
24	2
25	2
26	0
27	4
28	4
29	4
30	4
31	4
32	4
33	4
34	0
35	2
36	2
37	2
38	0
39	4
40	4
41	4
42	4
43	4
44	4
45	4
46	0
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	6
55	6
56	6
57	6
58	0
59	2
60	2
61	2
62	0
63	6
64	6
65	6
66	6
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	0
75	4
76	4
77	4
78	4
79	4
80	4
81	4
82	0
83	2
84	2
85	2
86	0
87	4
88	4
89	4
90	4
91	4
92	4
93	4
94	0
95	6
96	6
97	6

[0, 1, 0, 2, 2, 2, 0, 2, 2, 2, 0, 4, 4, 4, 4, 4, 4, 4, 0, 2, 2, 2, 0, 4, 4, 4, 4, 4, 4, 4, 0, 2, 2, 2, 0, 4, 4, 4, 4, 4, 4, 4, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 2, 2, 2, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 4, 4, 4, 4, 4, 4, 4, 0, 2, 2, 2, 0, 4, 4, 4, 4, 4, 4, 4, 0, 6, 6, 6]

cp's OEIS Frontend

A335185 a(n) = nextprime(ceiling(n/2)-1) - prevprime(floor(n/2)+1), where nextprime = A151800 and prevprime = A151799.

Table of values

List of values

n	a(n)
4	0
5	1
6	0
7	2
8	2
9	2
10	0
11	2
12	2
13	2
14	0
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	0
23	2
24	2
25	2
26	0
27	4
28	4
29	4
30	4
31	4
32	4
33	4
34	0
35	2
36	2
37	2
38	0
39	4
40	4
41	4
42	4
43	4
44	4
45	4
46	0
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	6
55	6
56	6
57	6
58	0
59	2
60	2
61	2
62	0
63	6
64	6
65	6
66	6
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	0
75	4
76	4
77	4
78	4
79	4
80	4
81	4
82	0
83	2
84	2
85	2
86	0
87	4
88	4
89	4
90	4
91	4
92	4
93	4
94	0
95	6
96	6
97	6

n	a(n)
4	0
5	1
6	0
7	2
8	2
9	2
10	0
11	2
12	2
13	2
14	0
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	0
23	2
24	2
25	2
26	0
27	4
28	4
29	4
30	4
31	4
32	4
33	4
34	0
35	2
36	2
37	2
38	0
39	4
40	4
41	4
42	4
43	4
44	4
45	4
46	0
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	6
55	6
56	6
57	6
58	0
59	2
60	2
61	2
62	0
63	6
64	6
65	6
66	6
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	0
75	4
76	4
77	4
78	4
79	4
80	4
81	4
82	0
83	2
84	2
85	2
86	0
87	4
88	4
89	4
90	4
91	4
92	4
93	4
94	0
95	6
96	6
97	6

n	a(n)
4	0
5	1
6	0
7	2
8	2
9	2
10	0
11	2
12	2
13	2
14	0
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	0
23	2
24	2
25	2
26	0
27	4
28	4
29	4
30	4
31	4
32	4
33	4
34	0
35	2
36	2
37	2
38	0
39	4
40	4
41	4
42	4
43	4
44	4
45	4
46	0
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	6
55	6
56	6
57	6
58	0
59	2
60	2
61	2
62	0
63	6
64	6
65	6
66	6
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	0
75	4
76	4
77	4
78	4
79	4
80	4
81	4
82	0
83	2
84	2
85	2
86	0
87	4
88	4
89	4
90	4
91	4
92	4
93	4
94	0
95	6
96	6
97	6