A350959 - cp's OEIS frontend

A350959 Number of ways to write 2*n+1 as 2^i (i >= 0) plus a prime.

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

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

cp's OEIS Frontend

A350959 Number of ways to write 2*n+1 as 2^i (i >= 0) plus a prime.

Table of values

List of values

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

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

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