A372687 - cp's OEIS frontend

A372687 Number of prime numbers whose binary indices sum to n. Number of strict integer partitions y of n such that Sum_i 2^(y_i-1) is prime.

n	a(n)
0	0
1	0
2	1
3	1
4	1
5	0
6	2
7	1
8	2
9	0
10	3
11	3
12	1
13	4
14	1
15	6
16	5
17	8
18	4
19	12
20	8
21	12
22	7
23	20
24	8
25	16
26	17
27	27
28	19
29	38
30	19
31	46
32	33
33	38
34	49
35	65
36	47
37	67
38	83
39	92
40	94
41	113
42	103
43	130
44	146
45	127
46	215
47	224
48	176
49	234
50	306
51	270
52	357
53	383
54	339
55	393
56	537
57	540
58	597
59	683
60	576
61	798
62	1026
63	830
64	1157

[0, 0, 1, 1, 1, 0, 2, 1, 2, 0, 3, 3, 1, 4, 1, 6, 5, 8, 4, 12, 8, 12, 7, 20, 8, 16, 17, 27, 19, 38, 19, 46, 33, 38, 49, 65, 47, 67, 83, 92, 94, 113, 103, 130, 146, 127, 215, 224, 176, 234, 306, 270, 357, 383, 339, 393, 537, 540, 597, 683, 576, 798, 1026, 830, 1157]

cp's OEIS Frontend

A372687 Number of prime numbers whose binary indices sum to n. Number of strict integer partitions y of n such that Sum_i 2^(y_i-1) is prime.

Table of values

List of values