A282463 - cp's OEIS frontend

A282463 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers, x == y (mod 2) and z <= w such that both x and x^2 + 62xy + y^2 are squares.

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

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

cp's OEIS Frontend

A282463 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers, x == y (mod 2) and z <= w such that both x and x^2 + 62xy + y^2 are squares.

Table of values

List of values

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

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

cp's OEIS Frontend

A282463 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers, x == y (mod 2) and z <= w such that both x and x^2 + 62*x*y + y^2 are squares.

Table of values

List of values

A282463 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers, x == y (mod 2) and z <= w such that both x and x^2 + 62xy + y^2 are squares.

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