A137876 - cp's OEIS frontend

A137876 a(n) = (nextprime(18n)-previousprime(18n))/2.

n	a(n)
1	1
2	3
3	3
4	1
5	4
6	1
7	7
8	5
9	3
10	1
11	1
12	6
13	3
14	3
15	1
16	5
17	7
18	7
19	5
20	4
21	3
22	4
23	5
24	1
25	4
26	6
27	4
28	3
29	1
30	9
31	3
32	3
33	3
34	3
35	6
36	3
37	6
38	4
39	4
40	4
41	3
42	3
43	7
44	5
45	1
46	1
47	7
48	7
49	1
50	10
51	4
52	4
53	7
54	3
55	4
56	6
57	5
58	5
59	1
60	9
61	3
62	4
63	11
64	1
65	4
66	3
67	6
68	3
69	6
70	9
71	1
72	3
73	6
74	17
75	17
76	3
77	9
78	5
79	7
80	4
81	3
82	5
83	3
84	6
85	4
86	3
87	4
88	7
89	3
90	1
91	10
92	10
93	12
94	12
95	6
96	5
97	3
98	9
99	3
100	6
101	6

[1, 3, 3, 1, 4, 1, 7, 5, 3, 1, 1, 6, 3, 3, 1, 5, 7, 7, 5, 4, 3, 4, 5, 1, 4, 6, 4, 3, 1, 9, 3, 3, 3, 3, 6, 3, 6, 4, 4, 4, 3, 3, 7, 5, 1, 1, 7, 7, 1, 10, 4, 4, 7, 3, 4, 6, 5, 5, 1, 9, 3, 4, 11, 1, 4, 3, 6, 3, 6, 9, 1, 3, 6, 17, 17, 3, 9, 5, 7, 4, 3, 5, 3, 6, 4, 3, 4, 7, 3, 1, 10, 10, 12, 12, 6, 5, 3, 9, 3, 6, 6]

cp's OEIS Frontend

A137876 a(n) = (nextprime(18n)-previousprime(18n))/2.

Table of values

List of values

n	a(n)
1	1
2	3
3	3
4	1
5	4
6	1
7	7
8	5
9	3
10	1
11	1
12	6
13	3
14	3
15	1
16	5
17	7
18	7
19	5
20	4
21	3
22	4
23	5
24	1
25	4
26	6
27	4
28	3
29	1
30	9
31	3
32	3
33	3
34	3
35	6
36	3
37	6
38	4
39	4
40	4
41	3
42	3
43	7
44	5
45	1
46	1
47	7
48	7
49	1
50	10
51	4
52	4
53	7
54	3
55	4
56	6
57	5
58	5
59	1
60	9
61	3
62	4
63	11
64	1
65	4
66	3
67	6
68	3
69	6
70	9
71	1
72	3
73	6
74	17
75	17
76	3
77	9
78	5
79	7
80	4
81	3
82	5
83	3
84	6
85	4
86	3
87	4
88	7
89	3
90	1
91	10
92	10
93	12
94	12
95	6
96	5
97	3
98	9
99	3
100	6
101	6

n	a(n)
1	1
2	3
3	3
4	1
5	4
6	1
7	7
8	5
9	3
10	1
11	1
12	6
13	3
14	3
15	1
16	5
17	7
18	7
19	5
20	4
21	3
22	4
23	5
24	1
25	4
26	6
27	4
28	3
29	1
30	9
31	3
32	3
33	3
34	3
35	6
36	3
37	6
38	4
39	4
40	4
41	3
42	3
43	7
44	5
45	1
46	1
47	7
48	7
49	1
50	10
51	4
52	4
53	7
54	3
55	4
56	6
57	5
58	5
59	1
60	9
61	3
62	4
63	11
64	1
65	4
66	3
67	6
68	3
69	6
70	9
71	1
72	3
73	6
74	17
75	17
76	3
77	9
78	5
79	7
80	4
81	3
82	5
83	3
84	6
85	4
86	3
87	4
88	7
89	3
90	1
91	10
92	10
93	12
94	12
95	6
96	5
97	3
98	9
99	3
100	6
101	6

n	a(n)
1	1
2	3
3	3
4	1
5	4
6	1
7	7
8	5
9	3
10	1
11	1
12	6
13	3
14	3
15	1
16	5
17	7
18	7
19	5
20	4
21	3
22	4
23	5
24	1
25	4
26	6
27	4
28	3
29	1
30	9
31	3
32	3
33	3
34	3
35	6
36	3
37	6
38	4
39	4
40	4
41	3
42	3
43	7
44	5
45	1
46	1
47	7
48	7
49	1
50	10
51	4
52	4
53	7
54	3
55	4
56	6
57	5
58	5
59	1
60	9
61	3
62	4
63	11
64	1
65	4
66	3
67	6
68	3
69	6
70	9
71	1
72	3
73	6
74	17
75	17
76	3
77	9
78	5
79	7
80	4
81	3
82	5
83	3
84	6
85	4
86	3
87	4
88	7
89	3
90	1
91	10
92	10
93	12
94	12
95	6
96	5
97	3
98	9
99	3
100	6
101	6