A216282 - cp's OEIS frontend

A216282 Number of nonnegative solutions to the equation x^2 + 2*y^2 = n.

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	0
8	1
9	2
10	0
11	1
12	1
13	0
14	0
15	0
16	1
17	1
18	2
19	1
20	0
21	0
22	1
23	0
24	1
25	1
26	0
27	2
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	0
36	2
37	0
38	1
39	0
40	0
41	1
42	0
43	1
44	1
45	0
46	0
47	0
48	1
49	1
50	1
51	2
52	0
53	0
54	2
55	0
56	0
57	2
58	0
59	1
60	0
61	0
62	0
63	0
64	1
65	0
66	2
67	1
68	1
69	0
70	0
71	0
72	2
73	1
74	0
75	1
76	1
77	0
78	0
79	0
80	0
81	3
82	1
83	1
84	0
85	0
86	1
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	1
97	1
98	1
99	3
100	1
101	0
102	2
103	0
104	0
105	0
106	0
107	1
108	2
109	0
110	0
111	0
112	0
113	1
114	2
115	0
116	0
117	0
118	1
119	0
120	0

[1, 1, 1, 1, 0, 1, 0, 1, 2, 0, 1, 1, 0, 0, 0, 1, 1, 2, 1, 0, 0, 1, 0, 1, 1, 0, 2, 0, 0, 0, 0, 1, 2, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 2, 0, 0, 2, 0, 0, 2, 0, 1, 0, 0, 0, 0, 1, 0, 2, 1, 1, 0, 0, 0, 2, 1, 0, 1, 1, 0, 0, 0, 0, 3, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 3, 1, 0, 2, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 1, 2, 0, 0, 0, 1, 0, 0]

cp's OEIS Frontend

A216282 Number of nonnegative solutions to the equation x^2 + 2*y^2 = n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	0
8	1
9	2
10	0
11	1
12	1
13	0
14	0
15	0
16	1
17	1
18	2
19	1
20	0
21	0
22	1
23	0
24	1
25	1
26	0
27	2
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	0
36	2
37	0
38	1
39	0
40	0
41	1
42	0
43	1
44	1
45	0
46	0
47	0
48	1
49	1
50	1
51	2
52	0
53	0
54	2
55	0
56	0
57	2
58	0
59	1
60	0
61	0
62	0
63	0
64	1
65	0
66	2
67	1
68	1
69	0
70	0
71	0
72	2
73	1
74	0
75	1
76	1
77	0
78	0
79	0
80	0
81	3
82	1
83	1
84	0
85	0
86	1
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	1
97	1
98	1
99	3
100	1
101	0
102	2
103	0
104	0
105	0
106	0
107	1
108	2
109	0
110	0
111	0
112	0
113	1
114	2
115	0
116	0
117	0
118	1
119	0
120	0

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	0
8	1
9	2
10	0
11	1
12	1
13	0
14	0
15	0
16	1
17	1
18	2
19	1
20	0
21	0
22	1
23	0
24	1
25	1
26	0
27	2
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	0
36	2
37	0
38	1
39	0
40	0
41	1
42	0
43	1
44	1
45	0
46	0
47	0
48	1
49	1
50	1
51	2
52	0
53	0
54	2
55	0
56	0
57	2
58	0
59	1
60	0
61	0
62	0
63	0
64	1
65	0
66	2
67	1
68	1
69	0
70	0
71	0
72	2
73	1
74	0
75	1
76	1
77	0
78	0
79	0
80	0
81	3
82	1
83	1
84	0
85	0
86	1
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	1
97	1
98	1
99	3
100	1
101	0
102	2
103	0
104	0
105	0
106	0
107	1
108	2
109	0
110	0
111	0
112	0
113	1
114	2
115	0
116	0
117	0
118	1
119	0
120	0

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	0
8	1
9	2
10	0
11	1
12	1
13	0
14	0
15	0
16	1
17	1
18	2
19	1
20	0
21	0
22	1
23	0
24	1
25	1
26	0
27	2
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	0
36	2
37	0
38	1
39	0
40	0
41	1
42	0
43	1
44	1
45	0
46	0
47	0
48	1
49	1
50	1
51	2
52	0
53	0
54	2
55	0
56	0
57	2
58	0
59	1
60	0
61	0
62	0
63	0
64	1
65	0
66	2
67	1
68	1
69	0
70	0
71	0
72	2
73	1
74	0
75	1
76	1
77	0
78	0
79	0
80	0
81	3
82	1
83	1
84	0
85	0
86	1
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	1
97	1
98	1
99	3
100	1
101	0
102	2
103	0
104	0
105	0
106	0
107	1
108	2
109	0
110	0
111	0
112	0
113	1
114	2
115	0
116	0
117	0
118	1
119	0
120	0