A279056 - cp's OEIS frontend

A279056 Number of ways to write n as w^2 + x^2 + y^2 + z^2 with w a positive integer and x,y,z nonnegative integers such that x^3 + 4yz*(y-z) is a square.

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

[1, 3, 3, 2, 5, 5, 2, 2, 4, 9, 5, 3, 7, 4, 3, 1, 7, 13, 6, 7, 9, 4, 2, 4, 10, 13, 10, 4, 9, 6, 3, 3, 9, 15, 7, 10, 8, 6, 5, 6, 14, 14, 7, 3, 14, 7, 2, 3, 5, 14, 12, 11, 12, 9, 5, 5, 9, 12, 6, 6, 10, 5, 4, 2, 11, 20, 10, 10, 12, 4, 2, 6, 13, 14, 10, 4, 7, 5, 1, 5]

cp's OEIS Frontend

A279056 Number of ways to write n as w^2 + x^2 + y^2 + z^2 with w a positive integer and x,y,z nonnegative integers such that x^3 + 4yz*(y-z) is a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A279056 Number of ways to write n as w^2 + x^2 + y^2 + z^2 with w a positive integer and x,y,z nonnegative integers such that x^3 + 4*y*z*(y-z) is a square.

Table of values

List of values

A279056 Number of ways to write n as w^2 + x^2 + y^2 + z^2 with w a positive integer and x,y,z nonnegative integers such that x^3 + 4yz*(y-z) is a square.

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