A271510 - cp's OEIS frontend

A271510 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x >= y >= 0, z >= 0 and w >= 0 such that x^2 + 8y^2 + 16z^2 is a square.

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

[1, 3, 3, 2, 4, 4, 1, 1, 3, 4, 5, 2, 3, 5, 2, 1, 4, 5, 5, 3, 4, 2, 2, 1, 1, 8, 5, 4, 4, 4, 2, 2, 3, 3, 7, 2, 6, 7, 3, 3, 5, 6, 4, 6, 2, 4, 4, 1, 3, 6, 9, 4, 8, 5, 6, 2, 2, 6, 10, 4, 1, 5, 3, 7, 4, 10, 3, 5, 5, 2, 4, 1, 5, 6, 7, 2, 6, 1, 7, 4, 4]

cp's OEIS Frontend

A271510 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x >= y >= 0, z >= 0 and w >= 0 such that x^2 + 8y^2 + 16z^2 is a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A271510 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x >= y >= 0, z >= 0 and w >= 0 such that x^2 + 8*y^2 + 16*z^2 is a square.

Table of values

List of values

A271510 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x >= y >= 0, z >= 0 and w >= 0 such that x^2 + 8y^2 + 16z^2 is a square.

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