A096139 - cp's OEIS frontend

A096139 Number of ways to write 2*n as an ordered sum of two numbers which are prime or 1.

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

[1, 3, 3, 4, 3, 4, 5, 4, 6, 6, 5, 8, 5, 4, 8, 6, 7, 8, 5, 6, 10, 8, 7, 12, 8, 6, 12, 6, 7, 14, 7, 10, 12, 6, 10, 14, 11, 10, 14, 10, 9, 18, 9, 8, 20, 8, 9, 14, 8, 12, 18, 12, 11, 18, 14, 14, 22, 12, 11, 24, 7, 10, 20, 8, 14, 20, 11, 10, 18, 16, 15, 22, 11, 10, 26, 10, 16, 22, 11, 16, 20, 12]

cp's OEIS Frontend

A096139 Number of ways to write 2*n as an ordered sum of two numbers which are prime or 1.

Table of values

List of values

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

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

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