A122001 - cp's OEIS frontend

A122001 Number of representations of prime p = prime(n) as 2(p1-p2)+3p3 (where p1, p2, p3 are primes less than or equal to p), for which p+2p2(=2p1+3*p3) is also a prime.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	7
8	5
9	7
10	8
11	6
12	17
13	15
14	10
15	13
16	19
17	9
18	21
19	24
20	18
21	29
22	28
23	25
24	37
25	37
26	29
27	32
28	34
29	37
30	47
31	40
32	37
33	63
34	51
35	57
36	59
37	69
38	47
39	58
40	67
41	65
42	68
43	65
44	69
45	65
46	60
47	73
48	97
49	90
50	109
51	103
52	82
53	111
54	112
55	96
56	106
57	140

[0, 0, 0, 1, 0, 3, 7, 5, 7, 8, 6, 17, 15, 10, 13, 19, 9, 21, 24, 18, 29, 28, 25, 37, 37, 29, 32, 34, 37, 47, 40, 37, 63, 51, 57, 59, 69, 47, 58, 67, 65, 68, 65, 69, 65, 60, 73, 97, 90, 109, 103, 82, 111, 112, 96, 106, 140]

cp's OEIS Frontend

A122001 Number of representations of prime p = prime(n) as 2(p1-p2)+3p3 (where p1, p2, p3 are primes less than or equal to p), for which p+2p2(=2p1+3*p3) is also a prime.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	7
8	5
9	7
10	8
11	6
12	17
13	15
14	10
15	13
16	19
17	9
18	21
19	24
20	18
21	29
22	28
23	25
24	37
25	37
26	29
27	32
28	34
29	37
30	47
31	40
32	37
33	63
34	51
35	57
36	59
37	69
38	47
39	58
40	67
41	65
42	68
43	65
44	69
45	65
46	60
47	73
48	97
49	90
50	109
51	103
52	82
53	111
54	112
55	96
56	106
57	140

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	7
8	5
9	7
10	8
11	6
12	17
13	15
14	10
15	13
16	19
17	9
18	21
19	24
20	18
21	29
22	28
23	25
24	37
25	37
26	29
27	32
28	34
29	37
30	47
31	40
32	37
33	63
34	51
35	57
36	59
37	69
38	47
39	58
40	67
41	65
42	68
43	65
44	69
45	65
46	60
47	73
48	97
49	90
50	109
51	103
52	82
53	111
54	112
55	96
56	106
57	140

cp's OEIS Frontend

A122001 Number of representations of prime p = prime(n) as 2*(p1-p2)+3*p3 (where p1, p2, p3 are primes less than or equal to p), for which p+2*p2(=2*p1+3*p3) is also a prime.

Table of values

List of values

A122001 Number of representations of prime p = prime(n) as 2(p1-p2)+3p3 (where p1, p2, p3 are primes less than or equal to p), for which p+2p2(=2p1+3*p3) is also a prime.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	7
8	5
9	7
10	8
11	6
12	17
13	15
14	10
15	13
16	19
17	9
18	21
19	24
20	18
21	29
22	28
23	25
24	37
25	37
26	29
27	32
28	34
29	37
30	47
31	40
32	37
33	63
34	51
35	57
36	59
37	69
38	47
39	58
40	67
41	65
42	68
43	65
44	69
45	65
46	60
47	73
48	97
49	90
50	109
51	103
52	82
53	111
54	112
55	96
56	106
57	140