A156384 - cp's OEIS frontend

A156384 The number of solutions to x^2 + y^2 + 2*z^2 = n in nonnegative integers x,y,z.

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

[1, 2, 2, 2, 3, 2, 2, 2, 2, 4, 4, 2, 4, 4, 0, 2, 3, 4, 6, 4, 4, 2, 4, 2, 2, 6, 4, 6, 6, 2, 0, 4, 2, 6, 8, 2, 7, 6, 4, 2, 4, 4, 6, 6, 4, 6, 0, 4, 4, 6, 6, 4, 10, 4, 6, 6, 0, 6, 10, 4, 6, 6, 0, 6, 3, 4, 8, 8, 8, 4, 6, 2, 6, 10, 4, 6, 10, 4, 0, 4, 4, 8, 14, 6, 6, 8, 4, 6, 4, 6, 10, 6, 6, 6, 0, 2, 2, 12, 8, 8]

cp's OEIS Frontend

A156384 The number of solutions to x^2 + y^2 + 2*z^2 = n in nonnegative integers x,y,z.

Table of values

List of values

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

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

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