A097203 - cp's OEIS frontend

A097203 Number of 4-tuples (a,b,c,d) with 1 <= a <= b <= c <= d, a^2+b^2+c^2+d^2 = n and gcd(a,b,c,d) = 1.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	1
14	0
15	1
16	0
17	0
18	1
19	1
20	1
21	1
22	1
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	0
33	1
34	2
35	1
36	1
37	2
38	1
39	2
40	0
41	0
42	3
43	2
44	1
45	2
46	1
47	2
48	0
49	2
50	2
51	1
52	3
53	1
54	2
55	3
56	0
57	2
58	4
59	1
60	2
61	2
62	1
63	3
64	0
65	1
66	3
67	3
68	2
69	2
70	4
71	2
72	0
73	3
74	2
75	3
76	3
77	2
78	3
79	3
80	0
81	2
82	5
83	2
84	3
85	3
86	2
87	4
88	0
89	1
90	5
91	4
92	2
93	4
94	2
95	3
96	0
97	4
98	4
99	3

[0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 2, 0, 1, 2, 0, 1, 2, 1, 1, 2, 1, 2, 0, 0, 3, 2, 1, 2, 1, 2, 0, 2, 2, 1, 3, 1, 2, 3, 0, 2, 4, 1, 2, 2, 1, 3, 0, 1, 3, 3, 2, 2, 4, 2, 0, 3, 2, 3, 3, 2, 3, 3, 0, 2, 5, 2, 3, 3, 2, 4, 0, 1, 5, 4, 2, 4, 2, 3, 0, 4, 4, 3]

cp's OEIS Frontend

A097203 Number of 4-tuples (a,b,c,d) with 1 <= a <= b <= c <= d, a^2+b^2+c^2+d^2 = n and gcd(a,b,c,d) = 1.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	1
14	0
15	1
16	0
17	0
18	1
19	1
20	1
21	1
22	1
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	0
33	1
34	2
35	1
36	1
37	2
38	1
39	2
40	0
41	0
42	3
43	2
44	1
45	2
46	1
47	2
48	0
49	2
50	2
51	1
52	3
53	1
54	2
55	3
56	0
57	2
58	4
59	1
60	2
61	2
62	1
63	3
64	0
65	1
66	3
67	3
68	2
69	2
70	4
71	2
72	0
73	3
74	2
75	3
76	3
77	2
78	3
79	3
80	0
81	2
82	5
83	2
84	3
85	3
86	2
87	4
88	0
89	1
90	5
91	4
92	2
93	4
94	2
95	3
96	0
97	4
98	4
99	3

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	1
14	0
15	1
16	0
17	0
18	1
19	1
20	1
21	1
22	1
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	0
33	1
34	2
35	1
36	1
37	2
38	1
39	2
40	0
41	0
42	3
43	2
44	1
45	2
46	1
47	2
48	0
49	2
50	2
51	1
52	3
53	1
54	2
55	3
56	0
57	2
58	4
59	1
60	2
61	2
62	1
63	3
64	0
65	1
66	3
67	3
68	2
69	2
70	4
71	2
72	0
73	3
74	2
75	3
76	3
77	2
78	3
79	3
80	0
81	2
82	5
83	2
84	3
85	3
86	2
87	4
88	0
89	1
90	5
91	4
92	2
93	4
94	2
95	3
96	0
97	4
98	4
99	3

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	1
14	0
15	1
16	0
17	0
18	1
19	1
20	1
21	1
22	1
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	0
33	1
34	2
35	1
36	1
37	2
38	1
39	2
40	0
41	0
42	3
43	2
44	1
45	2
46	1
47	2
48	0
49	2
50	2
51	1
52	3
53	1
54	2
55	3
56	0
57	2
58	4
59	1
60	2
61	2
62	1
63	3
64	0
65	1
66	3
67	3
68	2
69	2
70	4
71	2
72	0
73	3
74	2
75	3
76	3
77	2
78	3
79	3
80	0
81	2
82	5
83	2
84	3
85	3
86	2
87	4
88	0
89	1
90	5
91	4
92	2
93	4
94	2
95	3
96	0
97	4
98	4
99	3