A377887 - cp's OEIS frontend

A377887 a(n) is the number of ways of writing prime(n) as k-q with q a prime and k a primorial.

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

[0, 1, 0, 1, 2, 3, 4, 3, 3, 3, 1, 3, 4, 4, 5, 4, 5, 3, 4, 4, 5, 4, 4, 7, 8, 6, 5, 7, 4, 5, 9, 5, 6, 5, 9, 7, 4, 5, 8, 5, 8, 6, 7, 5, 9, 6, 5, 7, 6, 4, 3, 9, 6, 5, 12, 8, 5, 6, 7, 7, 6, 9, 8, 7, 13, 4, 8, 4, 6, 6, 7, 4, 7, 11, 5, 8, 8, 9, 6, 7, 7, 6, 12, 4, 10, 11, 11, 7, 8, 11]

cp's OEIS Frontend

A377887 a(n) is the number of ways of writing prime(n) as k-q with q a prime and k a primorial.

Table of values

List of values

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

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

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