A062602 - cp's OEIS frontend

A062602 Number of ways of writing n = p+c with p prime and c nonprime (1 or a composite number).

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

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

cp's OEIS Frontend

A062602 Number of ways of writing n = p+c with p prime and c nonprime (1 or a composite number).

Table of values

List of values

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

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

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