A224708 - cp's OEIS frontend

A224708 The number of unordered partitions {a,b} of n such that a and b are composite.

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

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

cp's OEIS Frontend

A224708 The number of unordered partitions {a,b} of n such that a and b are composite.

Table of values

List of values

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

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

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