A233150 - cp's OEIS frontend

A233150 Number of ways to write n = k + m (k, m > 0) with 2^k + prime(m) prime.

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

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

cp's OEIS Frontend

A233150 Number of ways to write n = k + m (k, m > 0) with 2^k + prime(m) prime.

Table of values

List of values

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

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

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