A303998 - cp's OEIS frontend

A303998 Number of ways to write 2n+1 as p + 2^k + binomial(2m,m), where p is a prime, and k and m are positive integers.

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

[0, 0, 1, 2, 3, 4, 4, 5, 3, 6, 5, 6, 8, 7, 5, 7, 7, 6, 8, 11, 5, 8, 9, 5, 10, 8, 7, 8, 7, 5, 7, 10, 6, 9, 9, 5, 11, 12, 8, 13, 12, 9, 8, 15, 9, 11, 12, 11, 7, 10, 9, 10, 14, 9, 12, 12, 11, 11, 12, 9, 9, 12, 8, 5, 13, 9, 10, 14, 10, 13, 9, 15, 10, 12, 9, 12, 11, 9, 11, 13]

cp's OEIS Frontend

A303998 Number of ways to write 2n+1 as p + 2^k + binomial(2m,m), where p is a prime, and k and m are positive integers.

Table of values

List of values

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

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

cp's OEIS Frontend

A303998 Number of ways to write 2*n+1 as p + 2^k + binomial(2*m,m), where p is a prime, and k and m are positive integers.

Table of values

List of values

A303998 Number of ways to write 2n+1 as p + 2^k + binomial(2m,m), where p is a prime, and k and m are positive integers.

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