A213024 - cp's OEIS frontend

A213024 The number of solutions to x^2 + y^2 + 2*z^2 = n in positive integers x,y,z.

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

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

cp's OEIS Frontend

A213024 The number of solutions to x^2 + y^2 + 2*z^2 = n in positive integers x,y,z.

Table of values

List of values

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

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

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