A345039 - cp's OEIS frontend

A345039 Number of partitions of n into two composite parts that share a nontrivial divisor.

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

[0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 2, 0, 2, 1, 3, 0, 4, 0, 4, 2, 4, 0, 6, 1, 5, 3, 6, 0, 8, 0, 7, 4, 7, 3, 10, 0, 8, 5, 10, 0, 12, 0, 10, 8, 10, 0, 14, 2, 13, 7, 12, 0, 16, 5, 14, 8, 13, 0, 19, 0, 14, 11, 15, 6, 20, 0, 16, 10, 20, 0, 22, 0, 17, 15, 18, 6, 24, 0, 22, 12, 19, 0, 27]

cp's OEIS Frontend

A345039 Number of partitions of n into two composite parts that share a nontrivial divisor.

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

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

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