A171611 - cp's OEIS frontend

A171611 From Goldbach problem: number of decompositions of 2n into unordered sums of two primes > 3.

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

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

cp's OEIS Frontend

A171611 From Goldbach problem: number of decompositions of 2n into unordered sums of two primes > 3.

Table of values

List of values

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

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

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