A061358 - cp's OEIS frontend

A061358 Number of ways of writing n = p+q with p, q primes and p >= q.

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

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

cp's OEIS Frontend

A061358 Number of ways of writing n = p+q with p, q primes and p >= q.

Table of values

List of values

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

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

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