A230140 - cp's OEIS frontend

A230140 Number of ways to write n = x + y + z with 0 < x <= y <= z such that 6x-1, 6y-1, 6z-1 are among those primes p (terms of A230138) with p + 2 and 2p - 5 also prime.

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

[0, 0, 1, 1, 2, 2, 3, 2, 3, 1, 2, 2, 2, 3, 3, 4, 2, 3, 2, 3, 3, 3, 4, 2, 5, 2, 6, 3, 6, 5, 4, 5, 3, 5, 5, 8, 7, 6, 5, 6, 5, 5, 7, 6, 8, 4, 6, 5, 6, 7, 9, 8, 8, 5, 7, 6, 8, 10, 6, 10, 4, 8, 6, 6, 10, 6, 9, 5, 6, 5, 7, 7, 9, 6, 7, 8, 5, 10, 6, 9, 6, 6, 7, 4, 7, 7, 9, 6, 5, 5, 4, 6, 5, 6, 5, 5, 6, 4, 6, 6]

cp's OEIS Frontend

A230140 Number of ways to write n = x + y + z with 0 < x <= y <= z such that 6x-1, 6y-1, 6z-1 are among those primes p (terms of A230138) with p + 2 and 2p - 5 also prime.

Table of values

List of values

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

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

cp's OEIS Frontend

A230140 Number of ways to write n = x + y + z with 0 < x <= y <= z such that 6*x-1, 6*y-1, 6*z-1 are among those primes p (terms of A230138) with p + 2 and 2*p - 5 also prime.

Table of values

List of values

A230140 Number of ways to write n = x + y + z with 0 < x <= y <= z such that 6x-1, 6y-1, 6z-1 are among those primes p (terms of A230138) with p + 2 and 2p - 5 also prime.

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