A158853 - cp's OEIS frontend

A158853 a(n), a(n+1), a(n+2), for n=5,8,11,... are respectively the numbers of representations of the integers 2^k-2, 2^k, 2^k+2, where k=(n+4)/3, by unordered sums of two odd primes not belonging to A158846.

n	a(n)
11	2
12	0
13	3
14	1
15	0
16	1
17	5
18	0
19	3
20	6
21	0
22	7
23	18
24	0
25	8
26	10
27	0
28	21
29	50
30	0
31	26
32	43
33	0
34	67
35	204
36	0
37	79
38	93
39	0
40	213
41	398
42	0
43	279
44	445
45	0
46	684
47	1649
48	0
49	630
50	1008
51	0
52	2135
53	4890
54	0
55	3063
56	3681
57	0
58	6852

[2, 0, 3, 1, 0, 1, 5, 0, 3, 6, 0, 7, 18, 0, 8, 10, 0, 21, 50, 0, 26, 43, 0, 67, 204, 0, 79, 93, 0, 213, 398, 0, 279, 445, 0, 684, 1649, 0, 630, 1008, 0, 2135, 4890, 0, 3063, 3681, 0, 6852]

cp's OEIS Frontend

A158853 a(n), a(n+1), a(n+2), for n=5,8,11,... are respectively the numbers of representations of the integers 2^k-2, 2^k, 2^k+2, where k=(n+4)/3, by unordered sums of two odd primes not belonging to A158846.

Table of values

List of values