A139462 - cp's OEIS frontend

A139462 a(n) = m such that product n successive odd primes - 2prime(n+m+1) is prime = such m that primorial(n+1)/2 - 2prime(n+m+1) is prime.

n	a(n)
1	1
2	2
3	1
4	1
5	3
6	1
7	2
8	2
9	3
10	1
11	6
12	5
13	5
14	7
15	1
16	5
17	8
18	2
19	10
20	29
21	3
22	7
23	10
24	8
25	33
26	28
27	11
28	3
29	19
30	5
31	12
32	12
33	11
34	19
35	52
36	29
37	17
38	23
39	29
40	36
41	3
42	1
43	7
44	59
45	16
46	5
47	4
48	113
49	1
50	8
51	16
52	25
53	4
54	5
55	52
56	1
57	82
58	71
59	14
60	34
61	20
62	3
63	1
64	35
65	20
66	107
67	14
68	38
69	41
70	34
71	14
72	6
73	20
74	36
75	36
76	20
77	62
78	19
79	8
80	92
81	140

[1, 2, 1, 1, 3, 1, 2, 2, 3, 1, 6, 5, 5, 7, 1, 5, 8, 2, 10, 29, 3, 7, 10, 8, 33, 28, 11, 3, 19, 5, 12, 12, 11, 19, 52, 29, 17, 23, 29, 36, 3, 1, 7, 59, 16, 5, 4, 113, 1, 8, 16, 25, 4, 5, 52, 1, 82, 71, 14, 34, 20, 3, 1, 35, 20, 107, 14, 38, 41, 34, 14, 6, 20, 36, 36, 20, 62, 19, 8, 92, 140]

cp's OEIS Frontend

A139462 a(n) = m such that product n successive odd primes - 2prime(n+m+1) is prime = such m that primorial(n+1)/2 - 2prime(n+m+1) is prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	1
5	3
6	1
7	2
8	2
9	3
10	1
11	6
12	5
13	5
14	7
15	1
16	5
17	8
18	2
19	10
20	29
21	3
22	7
23	10
24	8
25	33
26	28
27	11
28	3
29	19
30	5
31	12
32	12
33	11
34	19
35	52
36	29
37	17
38	23
39	29
40	36
41	3
42	1
43	7
44	59
45	16
46	5
47	4
48	113
49	1
50	8
51	16
52	25
53	4
54	5
55	52
56	1
57	82
58	71
59	14
60	34
61	20
62	3
63	1
64	35
65	20
66	107
67	14
68	38
69	41
70	34
71	14
72	6
73	20
74	36
75	36
76	20
77	62
78	19
79	8
80	92
81	140

n	a(n)
1	1
2	2
3	1
4	1
5	3
6	1
7	2
8	2
9	3
10	1
11	6
12	5
13	5
14	7
15	1
16	5
17	8
18	2
19	10
20	29
21	3
22	7
23	10
24	8
25	33
26	28
27	11
28	3
29	19
30	5
31	12
32	12
33	11
34	19
35	52
36	29
37	17
38	23
39	29
40	36
41	3
42	1
43	7
44	59
45	16
46	5
47	4
48	113
49	1
50	8
51	16
52	25
53	4
54	5
55	52
56	1
57	82
58	71
59	14
60	34
61	20
62	3
63	1
64	35
65	20
66	107
67	14
68	38
69	41
70	34
71	14
72	6
73	20
74	36
75	36
76	20
77	62
78	19
79	8
80	92
81	140

cp's OEIS Frontend

A139462 a(n) = m such that product n successive odd primes - 2*prime(n+m+1) is prime = such m that primorial(n+1)/2 - 2*prime(n+m+1) is prime.

Table of values

List of values

A139462 a(n) = m such that product n successive odd primes - 2prime(n+m+1) is prime = such m that primorial(n+1)/2 - 2prime(n+m+1) is prime.

n	a(n)
1	1
2	2
3	1
4	1
5	3
6	1
7	2
8	2
9	3
10	1
11	6
12	5
13	5
14	7
15	1
16	5
17	8
18	2
19	10
20	29
21	3
22	7
23	10
24	8
25	33
26	28
27	11
28	3
29	19
30	5
31	12
32	12
33	11
34	19
35	52
36	29
37	17
38	23
39	29
40	36
41	3
42	1
43	7
44	59
45	16
46	5
47	4
48	113
49	1
50	8
51	16
52	25
53	4
54	5
55	52
56	1
57	82
58	71
59	14
60	34
61	20
62	3
63	1
64	35
65	20
66	107
67	14
68	38
69	41
70	34
71	14
72	6
73	20
74	36
75	36
76	20
77	62
78	19
79	8
80	92
81	140