A199920 - cp's OEIS frontend

A199920 Number of ways to write n = p+k with p, p+6, 6k-1 and 6k+1 all prime.

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

[0, 0, 0, 0, 0, 1, 1, 2, 1, 2, 0, 3, 1, 3, 2, 2, 2, 3, 2, 2, 1, 2, 3, 3, 3, 1, 1, 3, 2, 4, 1, 2, 2, 3, 3, 3, 2, 4, 2, 4, 3, 3, 5, 3, 3, 3, 3, 4, 5, 3, 3, 3, 3, 5, 4, 4, 3, 4, 3, 3, 2, 3, 6, 5, 4, 2, 1, 3, 5, 5, 5, 2, 2, 3, 5, 3, 5, 4, 5, 2, 3, 2, 5, 5, 6, 4, 2, 3, 3, 4, 3, 3, 5, 4, 3, 1, 1, 4, 5, 7]

cp's OEIS Frontend

A199920 Number of ways to write n = p+k with p, p+6, 6k-1 and 6k+1 all prime.

Table of values

List of values

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

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

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