A002375 - cp's OEIS frontend

A002375 From Goldbach conjecture: number of decompositions of 2n into an unordered sum of two odd primes.

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

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

cp's OEIS Frontend

A002375 From Goldbach conjecture: number of decompositions of 2n into an unordered sum of two odd primes.

Table of values

List of values

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

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

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