A233204 - cp's OEIS frontend

A233204 Number of ways to write n = k + m with 0 < k < m such that 2^k * prime(m) + 3 is prime.

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

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

cp's OEIS Frontend

A233204 Number of ways to write n = k + m with 0 < k < m such that 2^k * prime(m) + 3 is prime.

Table of values

List of values

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

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

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