A205617 - cp's OEIS frontend

A205617 Number of decompositions of 2n into an unordered sum of two non-Ramanujan primes (A174635).

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

[0, 0, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 1, 3, 0, 1, 3, 1, 2, 2, 1, 3, 2, 0, 1, 3, 2, 1, 3, 1, 3, 4, 1, 2, 4, 1, 4, 2, 0, 3, 2, 3, 2, 3, 2, 3, 5, 1, 3, 4, 0, 5, 1, 0, 4, 3, 3, 1, 4, 3, 5, 4, 0, 4, 3, 1, 4, 2, 2, 6, 2, 3, 4, 4, 1, 3]

cp's OEIS Frontend

A205617 Number of decompositions of 2n into an unordered sum of two non-Ramanujan primes (A174635).

Table of values

List of values

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

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

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