A033717 - cp's OEIS frontend

A033717 Number of integer solutions to the equation x^2 + 2y^2 + 4z^2 = n.

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

[1, 2, 2, 4, 4, 4, 8, 8, 6, 6, 8, 4, 8, 12, 0, 8, 12, 8, 10, 12, 8, 8, 24, 8, 8, 14, 8, 16, 16, 4, 0, 16, 6, 16, 16, 8, 12, 20, 24, 8, 24, 8, 16, 20, 8, 20, 0, 16, 24, 18, 10, 8, 24, 12, 32, 24, 0, 16, 24, 12, 16, 20, 0, 24, 12, 8, 16, 28, 16, 16, 48, 8, 30, 32, 8, 20, 24, 16, 0, 16, 24, 18]

cp's OEIS Frontend

A033717 Number of integer solutions to the equation x^2 + 2y^2 + 4z^2 = n.

Table of values

List of values

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

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

cp's OEIS Frontend

A033717 Number of integer solutions to the equation x^2 + 2*y^2 + 4*z^2 = n.

Table of values

List of values

A033717 Number of integer solutions to the equation x^2 + 2y^2 + 4z^2 = n.

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