A088183 - cp's OEIS frontend

A088183 Number of ways to write n as a sum of two coprime semiprimes.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	1
14	0
15	0
16	0
17	0
18	0
19	2
20	0
21	0
22	0
23	1
24	0
25	1
26	0
27	0
28	0
29	2
30	0
31	3
32	0
33	0
34	1
35	1
36	0
37	2
38	0
39	2
40	0
41	2
42	0
43	4
44	1
45	0
46	1
47	4
48	0
49	2
50	0
51	1
52	0
53	3
54	0
55	4
56	0
57	1
58	2
59	5
60	0
61	6
62	0
63	1
64	3
65	1
66	0
67	4
68	1
69	3
70	0
71	6
72	0
73	5
74	3
75	1
76	2
77	3
78	0
79	5
80	0
81	3
82	2
83	7
84	0
85	1
86	3
87	4
88	1
89	4
90	0
91	6
92	2
93	2
94	3
95	6
96	0
97	7
98	1
99	4
100	2
101	6
102	1

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 0, 1, 0, 0, 0, 2, 0, 3, 0, 0, 1, 1, 0, 2, 0, 2, 0, 2, 0, 4, 1, 0, 1, 4, 0, 2, 0, 1, 0, 3, 0, 4, 0, 1, 2, 5, 0, 6, 0, 1, 3, 1, 0, 4, 1, 3, 0, 6, 0, 5, 3, 1, 2, 3, 0, 5, 0, 3, 2, 7, 0, 1, 3, 4, 1, 4, 0, 6, 2, 2, 3, 6, 0, 7, 1, 4, 2, 6, 1]

cp's OEIS Frontend

A088183 Number of ways to write n as a sum of two coprime semiprimes.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	1
14	0
15	0
16	0
17	0
18	0
19	2
20	0
21	0
22	0
23	1
24	0
25	1
26	0
27	0
28	0
29	2
30	0
31	3
32	0
33	0
34	1
35	1
36	0
37	2
38	0
39	2
40	0
41	2
42	0
43	4
44	1
45	0
46	1
47	4
48	0
49	2
50	0
51	1
52	0
53	3
54	0
55	4
56	0
57	1
58	2
59	5
60	0
61	6
62	0
63	1
64	3
65	1
66	0
67	4
68	1
69	3
70	0
71	6
72	0
73	5
74	3
75	1
76	2
77	3
78	0
79	5
80	0
81	3
82	2
83	7
84	0
85	1
86	3
87	4
88	1
89	4
90	0
91	6
92	2
93	2
94	3
95	6
96	0
97	7
98	1
99	4
100	2
101	6
102	1

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	1
14	0
15	0
16	0
17	0
18	0
19	2
20	0
21	0
22	0
23	1
24	0
25	1
26	0
27	0
28	0
29	2
30	0
31	3
32	0
33	0
34	1
35	1
36	0
37	2
38	0
39	2
40	0
41	2
42	0
43	4
44	1
45	0
46	1
47	4
48	0
49	2
50	0
51	1
52	0
53	3
54	0
55	4
56	0
57	1
58	2
59	5
60	0
61	6
62	0
63	1
64	3
65	1
66	0
67	4
68	1
69	3
70	0
71	6
72	0
73	5
74	3
75	1
76	2
77	3
78	0
79	5
80	0
81	3
82	2
83	7
84	0
85	1
86	3
87	4
88	1
89	4
90	0
91	6
92	2
93	2
94	3
95	6
96	0
97	7
98	1
99	4
100	2
101	6
102	1

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	1
14	0
15	0
16	0
17	0
18	0
19	2
20	0
21	0
22	0
23	1
24	0
25	1
26	0
27	0
28	0
29	2
30	0
31	3
32	0
33	0
34	1
35	1
36	0
37	2
38	0
39	2
40	0
41	2
42	0
43	4
44	1
45	0
46	1
47	4
48	0
49	2
50	0
51	1
52	0
53	3
54	0
55	4
56	0
57	1
58	2
59	5
60	0
61	6
62	0
63	1
64	3
65	1
66	0
67	4
68	1
69	3
70	0
71	6
72	0
73	5
74	3
75	1
76	2
77	3
78	0
79	5
80	0
81	3
82	2
83	7
84	0
85	1
86	3
87	4
88	1
89	4
90	0
91	6
92	2
93	2
94	3
95	6
96	0
97	7
98	1
99	4
100	2
101	6
102	1