A218585 - cp's OEIS frontend

A218585 Number of ways to write n as x+y with 0 and x^2+xy+y^2 prime.

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

[0, 1, 1, 1, 1, 1, 2, 0, 3, 1, 2, 1, 3, 2, 3, 2, 2, 1, 4, 1, 4, 3, 4, 2, 3, 3, 3, 3, 5, 2, 6, 2, 4, 4, 5, 3, 5, 2, 8, 4, 4, 4, 7, 3, 5, 2, 8, 4, 7, 2, 8, 4, 7, 5, 7, 4, 7, 3, 8, 4, 9, 3, 11, 4, 8, 5, 10, 4, 9, 5, 9, 6, 8, 5, 6, 6, 10, 5, 10, 3, 12, 7, 10, 6, 8, 6, 11, 4, 7, 4, 15, 8, 13, 6, 9, 5, 15, 9, 10]

cp's OEIS Frontend

A218585 Number of ways to write n as x+y with 0 and x^2+xy+y^2 prime.

Table of values

List of values

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

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

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