A102820 - cp's OEIS frontend

A102820 Number of primes between 2prime(n) and 2prime(n+1), where prime(n) is the n-th prime.

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	2
7	1
8	2
9	2
10	2
11	3
12	1
13	1
14	1
15	3
16	3
17	0
18	2
19	2
20	0
21	3
22	1
23	2
24	4
25	2
26	0
27	1
28	0
29	1
30	6
31	1
32	3
33	1
34	3
35	0
36	3
37	1
38	1
39	1
40	3
41	1
42	3
43	1
44	1
45	1
46	4
47	4
48	1
49	1
50	2
51	1
52	1
53	3
54	2
55	2
56	0
57	1
58	1
59	1
60	1
61	3
62	6
63	2
64	0
65	1
66	6
67	1
68	3
69	0
70	1
71	1
72	3
73	2
74	2
75	1
76	2
77	1
78	1
79	2
80	4
81	1
82	3
83	1
84	1
85	2
86	1
87	2
88	1
89	0
90	1
91	4
92	2
93	1
94	3
95	0
96	2
97	5
98	0
99	5
100	3
101	3
102	2
103	1
104	0
105	2

[1, 1, 2, 2, 1, 2, 1, 2, 2, 2, 3, 1, 1, 1, 3, 3, 0, 2, 2, 0, 3, 1, 2, 4, 2, 0, 1, 0, 1, 6, 1, 3, 1, 3, 0, 3, 1, 1, 1, 3, 1, 3, 1, 1, 1, 4, 4, 1, 1, 2, 1, 1, 3, 2, 2, 0, 1, 1, 1, 1, 3, 6, 2, 0, 1, 6, 1, 3, 0, 1, 1, 3, 2, 2, 1, 2, 1, 1, 2, 4, 1, 3, 1, 1, 2, 1, 2, 1, 0, 1, 4, 2, 1, 3, 0, 2, 5, 0, 5, 3, 3, 2, 1, 0, 2]

cp's OEIS Frontend

A102820 Number of primes between 2prime(n) and 2prime(n+1), where prime(n) is the n-th prime.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	2
7	1
8	2
9	2
10	2
11	3
12	1
13	1
14	1
15	3
16	3
17	0
18	2
19	2
20	0
21	3
22	1
23	2
24	4
25	2
26	0
27	1
28	0
29	1
30	6
31	1
32	3
33	1
34	3
35	0
36	3
37	1
38	1
39	1
40	3
41	1
42	3
43	1
44	1
45	1
46	4
47	4
48	1
49	1
50	2
51	1
52	1
53	3
54	2
55	2
56	0
57	1
58	1
59	1
60	1
61	3
62	6
63	2
64	0
65	1
66	6
67	1
68	3
69	0
70	1
71	1
72	3
73	2
74	2
75	1
76	2
77	1
78	1
79	2
80	4
81	1
82	3
83	1
84	1
85	2
86	1
87	2
88	1
89	0
90	1
91	4
92	2
93	1
94	3
95	0
96	2
97	5
98	0
99	5
100	3
101	3
102	2
103	1
104	0
105	2

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	2
7	1
8	2
9	2
10	2
11	3
12	1
13	1
14	1
15	3
16	3
17	0
18	2
19	2
20	0
21	3
22	1
23	2
24	4
25	2
26	0
27	1
28	0
29	1
30	6
31	1
32	3
33	1
34	3
35	0
36	3
37	1
38	1
39	1
40	3
41	1
42	3
43	1
44	1
45	1
46	4
47	4
48	1
49	1
50	2
51	1
52	1
53	3
54	2
55	2
56	0
57	1
58	1
59	1
60	1
61	3
62	6
63	2
64	0
65	1
66	6
67	1
68	3
69	0
70	1
71	1
72	3
73	2
74	2
75	1
76	2
77	1
78	1
79	2
80	4
81	1
82	3
83	1
84	1
85	2
86	1
87	2
88	1
89	0
90	1
91	4
92	2
93	1
94	3
95	0
96	2
97	5
98	0
99	5
100	3
101	3
102	2
103	1
104	0
105	2

cp's OEIS Frontend

A102820 Number of primes between 2*prime(n) and 2*prime(n+1), where prime(n) is the n-th prime.

Table of values

List of values

A102820 Number of primes between 2prime(n) and 2prime(n+1), where prime(n) is the n-th prime.

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	2
7	1
8	2
9	2
10	2
11	3
12	1
13	1
14	1
15	3
16	3
17	0
18	2
19	2
20	0
21	3
22	1
23	2
24	4
25	2
26	0
27	1
28	0
29	1
30	6
31	1
32	3
33	1
34	3
35	0
36	3
37	1
38	1
39	1
40	3
41	1
42	3
43	1
44	1
45	1
46	4
47	4
48	1
49	1
50	2
51	1
52	1
53	3
54	2
55	2
56	0
57	1
58	1
59	1
60	1
61	3
62	6
63	2
64	0
65	1
66	6
67	1
68	3
69	0
70	1
71	1
72	3
73	2
74	2
75	1
76	2
77	1
78	1
79	2
80	4
81	1
82	3
83	1
84	1
85	2
86	1
87	2
88	1
89	0
90	1
91	4
92	2
93	1
94	3
95	0
96	2
97	5
98	0
99	5
100	3
101	3
102	2
103	1
104	0
105	2