A282192 - cp's OEIS frontend

A282192 Number of ways of writing n as a sum of a prime and a squarefree semiprime.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	1
12	1
13	2
14	0
15	1
16	1
17	4
18	1
19	2
20	1
21	2
22	1
23	3
24	2
25	3
26	2
27	3
28	3
29	4
30	0
31	2
32	2
33	4
34	2
35	3
36	2
37	5
38	4
39	4
40	4
41	5
42	2
43	4
44	4
45	5
46	4
47	3
48	2
49	4
50	3
51	6
52	5
53	6
54	2
55	3
56	4
57	7
58	6
59	4
60	3
61	3
62	7
63	6
64	6
65	6
66	2
67	6
68	7
69	7
70	5
71	4
72	4
73	4
74	7
75	7
76	8
77	6
78	3
79	6
80	7
81	8
82	8
83	3
84	4
85	7
86	6
87	8
88	10
89	8
90	3
91	4
92	8
93	11
94	10
95	6
96	8
97	7
98	11
99	9
100	9
101	5
102	6
103	5
104	9
105	11
106	9
107	5
108	8

[0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 2, 0, 1, 1, 4, 1, 2, 1, 2, 1, 3, 2, 3, 2, 3, 3, 4, 0, 2, 2, 4, 2, 3, 2, 5, 4, 4, 4, 5, 2, 4, 4, 5, 4, 3, 2, 4, 3, 6, 5, 6, 2, 3, 4, 7, 6, 4, 3, 3, 7, 6, 6, 6, 2, 6, 7, 7, 5, 4, 4, 4, 7, 7, 8, 6, 3, 6, 7, 8, 8, 3, 4, 7, 6, 8, 10, 8, 3, 4, 8, 11, 10, 6, 8, 7, 11, 9, 9, 5, 6, 5, 9, 11, 9, 5, 8]

cp's OEIS Frontend

A282192 Number of ways of writing n as a sum of a prime and a squarefree semiprime.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	1
12	1
13	2
14	0
15	1
16	1
17	4
18	1
19	2
20	1
21	2
22	1
23	3
24	2
25	3
26	2
27	3
28	3
29	4
30	0
31	2
32	2
33	4
34	2
35	3
36	2
37	5
38	4
39	4
40	4
41	5
42	2
43	4
44	4
45	5
46	4
47	3
48	2
49	4
50	3
51	6
52	5
53	6
54	2
55	3
56	4
57	7
58	6
59	4
60	3
61	3
62	7
63	6
64	6
65	6
66	2
67	6
68	7
69	7
70	5
71	4
72	4
73	4
74	7
75	7
76	8
77	6
78	3
79	6
80	7
81	8
82	8
83	3
84	4
85	7
86	6
87	8
88	10
89	8
90	3
91	4
92	8
93	11
94	10
95	6
96	8
97	7
98	11
99	9
100	9
101	5
102	6
103	5
104	9
105	11
106	9
107	5
108	8

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	1
12	1
13	2
14	0
15	1
16	1
17	4
18	1
19	2
20	1
21	2
22	1
23	3
24	2
25	3
26	2
27	3
28	3
29	4
30	0
31	2
32	2
33	4
34	2
35	3
36	2
37	5
38	4
39	4
40	4
41	5
42	2
43	4
44	4
45	5
46	4
47	3
48	2
49	4
50	3
51	6
52	5
53	6
54	2
55	3
56	4
57	7
58	6
59	4
60	3
61	3
62	7
63	6
64	6
65	6
66	2
67	6
68	7
69	7
70	5
71	4
72	4
73	4
74	7
75	7
76	8
77	6
78	3
79	6
80	7
81	8
82	8
83	3
84	4
85	7
86	6
87	8
88	10
89	8
90	3
91	4
92	8
93	11
94	10
95	6
96	8
97	7
98	11
99	9
100	9
101	5
102	6
103	5
104	9
105	11
106	9
107	5
108	8

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	1
12	1
13	2
14	0
15	1
16	1
17	4
18	1
19	2
20	1
21	2
22	1
23	3
24	2
25	3
26	2
27	3
28	3
29	4
30	0
31	2
32	2
33	4
34	2
35	3
36	2
37	5
38	4
39	4
40	4
41	5
42	2
43	4
44	4
45	5
46	4
47	3
48	2
49	4
50	3
51	6
52	5
53	6
54	2
55	3
56	4
57	7
58	6
59	4
60	3
61	3
62	7
63	6
64	6
65	6
66	2
67	6
68	7
69	7
70	5
71	4
72	4
73	4
74	7
75	7
76	8
77	6
78	3
79	6
80	7
81	8
82	8
83	3
84	4
85	7
86	6
87	8
88	10
89	8
90	3
91	4
92	8
93	11
94	10
95	6
96	8
97	7
98	11
99	9
100	9
101	5
102	6
103	5
104	9
105	11
106	9
107	5
108	8