A062303 - cp's OEIS frontend

A062303 Number of ways writing the n-th prime as a sum of two nonprimes.

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	2
7	2
8	3
9	3
10	5
11	6
12	7
13	8
14	9
15	9
16	11
17	13
18	14
19	15
20	16
21	17
22	18
23	19
24	21
25	24
26	25
27	26
28	26
29	27
30	27
31	33
32	34
33	36
34	37
35	40
36	41
37	42
38	44
39	45
40	47
41	49
42	50
43	53
44	54
45	54
46	55
47	59
48	64
49	65
50	66
51	66
52	68
53	69
54	72
55	74
56	76
57	78
58	79
59	80
60	81
61	82
62	85
63	91
64	92
65	93
66	93
67	99
68	101
69	105
70	106
71	106
72	108

[1, 0, 1, 1, 1, 2, 2, 3, 3, 5, 6, 7, 8, 9, 9, 11, 13, 14, 15, 16, 17, 18, 19, 21, 24, 25, 26, 26, 27, 27, 33, 34, 36, 37, 40, 41, 42, 44, 45, 47, 49, 50, 53, 54, 54, 55, 59, 64, 65, 66, 66, 68, 69, 72, 74, 76, 78, 79, 80, 81, 82, 85, 91, 92, 93, 93, 99, 101, 105, 106, 106, 108]

cp's OEIS Frontend

A062303 Number of ways writing the n-th prime as a sum of two nonprimes.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	2
7	2
8	3
9	3
10	5
11	6
12	7
13	8
14	9
15	9
16	11
17	13
18	14
19	15
20	16
21	17
22	18
23	19
24	21
25	24
26	25
27	26
28	26
29	27
30	27
31	33
32	34
33	36
34	37
35	40
36	41
37	42
38	44
39	45
40	47
41	49
42	50
43	53
44	54
45	54
46	55
47	59
48	64
49	65
50	66
51	66
52	68
53	69
54	72
55	74
56	76
57	78
58	79
59	80
60	81
61	82
62	85
63	91
64	92
65	93
66	93
67	99
68	101
69	105
70	106
71	106
72	108

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	2
7	2
8	3
9	3
10	5
11	6
12	7
13	8
14	9
15	9
16	11
17	13
18	14
19	15
20	16
21	17
22	18
23	19
24	21
25	24
26	25
27	26
28	26
29	27
30	27
31	33
32	34
33	36
34	37
35	40
36	41
37	42
38	44
39	45
40	47
41	49
42	50
43	53
44	54
45	54
46	55
47	59
48	64
49	65
50	66
51	66
52	68
53	69
54	72
55	74
56	76
57	78
58	79
59	80
60	81
61	82
62	85
63	91
64	92
65	93
66	93
67	99
68	101
69	105
70	106
71	106
72	108

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	2
7	2
8	3
9	3
10	5
11	6
12	7
13	8
14	9
15	9
16	11
17	13
18	14
19	15
20	16
21	17
22	18
23	19
24	21
25	24
26	25
27	26
28	26
29	27
30	27
31	33
32	34
33	36
34	37
35	40
36	41
37	42
38	44
39	45
40	47
41	49
42	50
43	53
44	54
45	54
46	55
47	59
48	64
49	65
50	66
51	66
52	68
53	69
54	72
55	74
56	76
57	78
58	79
59	80
60	81
61	82
62	85
63	91
64	92
65	93
66	93
67	99
68	101
69	105
70	106
71	106
72	108