A271778 - cp's OEIS frontend

A271778 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers and x^2 + 3y^2 + 5z^2 - 8*w^2 a square.

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

[1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 4, 2, 4, 1, 2, 3, 4, 2, 3, 2, 3, 2, 2, 4, 4, 4, 5, 1, 2, 4, 1, 1, 5, 4, 6, 3, 2, 4, 2, 2, 3, 3, 6, 5, 3, 1, 4, 5, 4, 4, 4, 1, 6, 7, 4, 4, 1, 3, 4, 6, 5, 5, 2, 1, 8, 7, 6, 7, 3]

cp's OEIS Frontend

A271778 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers and x^2 + 3y^2 + 5z^2 - 8*w^2 a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A271778 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers and x^2 + 3*y^2 + 5*z^2 - 8*w^2 a square.

Table of values

List of values

A271778 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers and x^2 + 3y^2 + 5z^2 - 8*w^2 a square.

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