A187754 - cp's OEIS frontend

A187754 Number of ways of writing the n-th twin prime p as p = q + r + s, where q >= r >= s are twin primes.

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	3
7	3
8	6
9	5
10	8
11	7
12	7
13	8
14	8
15	9
16	10
17	12
18	14
19	13
20	15
21	14
22	21
23	20
24	20
25	22
26	22
27	23
28	23
29	24
30	36
31	34
32	36
33	38
34	42
35	44
36	43
37	44
38	51
39	53
40	59
41	56
42	48
43	53
44	57
45	58
46	57
47	60
48	75
49	78
50	87
51	87
52	78
53	79
54	67
55	65

[0, 0, 0, 1, 2, 3, 3, 6, 5, 8, 7, 7, 8, 8, 9, 10, 12, 14, 13, 15, 14, 21, 20, 20, 22, 22, 23, 23, 24, 36, 34, 36, 38, 42, 44, 43, 44, 51, 53, 59, 56, 48, 53, 57, 58, 57, 60, 75, 78, 87, 87, 78, 79, 67, 65]

cp's OEIS Frontend

A187754 Number of ways of writing the n-th twin prime p as p = q + r + s, where q >= r >= s are twin primes.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	3
7	3
8	6
9	5
10	8
11	7
12	7
13	8
14	8
15	9
16	10
17	12
18	14
19	13
20	15
21	14
22	21
23	20
24	20
25	22
26	22
27	23
28	23
29	24
30	36
31	34
32	36
33	38
34	42
35	44
36	43
37	44
38	51
39	53
40	59
41	56
42	48
43	53
44	57
45	58
46	57
47	60
48	75
49	78
50	87
51	87
52	78
53	79
54	67
55	65

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	3
7	3
8	6
9	5
10	8
11	7
12	7
13	8
14	8
15	9
16	10
17	12
18	14
19	13
20	15
21	14
22	21
23	20
24	20
25	22
26	22
27	23
28	23
29	24
30	36
31	34
32	36
33	38
34	42
35	44
36	43
37	44
38	51
39	53
40	59
41	56
42	48
43	53
44	57
45	58
46	57
47	60
48	75
49	78
50	87
51	87
52	78
53	79
54	67
55	65

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	3
7	3
8	6
9	5
10	8
11	7
12	7
13	8
14	8
15	9
16	10
17	12
18	14
19	13
20	15
21	14
22	21
23	20
24	20
25	22
26	22
27	23
28	23
29	24
30	36
31	34
32	36
33	38
34	42
35	44
36	43
37	44
38	51
39	53
40	59
41	56
42	48
43	53
44	57
45	58
46	57
47	60
48	75
49	78
50	87
51	87
52	78
53	79
54	67
55	65