A068307 - cp's OEIS frontend

A068307 From Goldbach problem: number of decompositions of n into a sum of three primes.

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

[0, 0, 0, 0, 0, 1, 1, 1, 2, 1, 2, 2, 2, 1, 3, 2, 4, 2, 3, 2, 5, 2, 5, 3, 5, 3, 7, 3, 7, 2, 6, 3, 9, 2, 8, 4, 9, 4, 10, 2, 11, 3, 10, 4, 12, 3, 13, 4, 12, 5, 15, 4, 16, 3, 14, 5, 17, 3, 16, 4, 16, 6, 19, 3, 21, 5, 20, 6, 20, 2, 22, 5, 21, 6, 22, 5, 28, 5, 24, 7]

cp's OEIS Frontend

A068307 From Goldbach problem: number of decompositions of n into a sum of three primes.

Table of values

List of values

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

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

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