A062610 - cp's OEIS frontend

A062610 Number of ways of writing n = c1 + c2 with c1 and c2 nonprimes [=1 or composite].

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

[0, 1, 0, 0, 1, 0, 1, 1, 1, 2, 1, 2, 2, 2, 2, 4, 2, 4, 3, 4, 3, 5, 3, 6, 4, 6, 4, 7, 5, 8, 6, 7, 6, 9, 6, 11, 7, 8, 8, 11, 8, 12, 9, 11, 9, 12, 9, 14, 10, 14, 10, 14, 11, 16, 12, 15, 12, 16, 13, 19, 14, 15, 14, 19, 14, 21, 15, 17, 16, 21, 16, 22, 17, 20, 17, 22, 17, 25, 18, 22, 19, 23, 19]

cp's OEIS Frontend

A062610 Number of ways of writing n = c1 + c2 with c1 and c2 nonprimes [=1 or composite].

Table of values

List of values

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

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

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