A278082 - cp's OEIS frontend

A278082 1/12 of the number of primitive quadruples with sum = n and sum of squares = 3*n^2.

n	a(n)
1	1
2	1
3	2
4	0
5	4
6	2
7	8
8	0
9	6
10	4
11	11
12	0
13	14
14	8
15	8
16	0
17	18
18	6
19	20
20	0
21	16
22	11
23	22
24	0
25	20
26	14
27	18
28	0
29	30
30	8
31	30
32	0
33	22
34	18
35	32
36	0
37	36
38	20
39	28
40	0
41	42
42	16
43	44
44	0
45	24
46	22
47	46
48	0
49	56
50	20
51	36
52	0
53	52
54	18
55	44
56	0
57	40
58	30
59	58
60	0
61	62
62	30
63	48
64	0
65	56
66	22
67	66
68	0
69	44
70	32
71	70
72	0
73	74
74	36
75	40
76	0
77	88
78	28
79	80
80	0
81	54
82	42
83	84
84	0
85	72
86	44
87	60
88	0
89	88
90	24
91	112
92	0
93	60
94	46
95	80
96	0
97	96
98	56
99	66
100	0

[1, 1, 2, 0, 4, 2, 8, 0, 6, 4, 11, 0, 14, 8, 8, 0, 18, 6, 20, 0, 16, 11, 22, 0, 20, 14, 18, 0, 30, 8, 30, 0, 22, 18, 32, 0, 36, 20, 28, 0, 42, 16, 44, 0, 24, 22, 46, 0, 56, 20, 36, 0, 52, 18, 44, 0, 40, 30, 58, 0, 62, 30, 48, 0, 56, 22, 66, 0, 44, 32, 70, 0, 74, 36, 40, 0, 88, 28, 80, 0, 54, 42, 84, 0, 72, 44, 60, 0, 88, 24, 112, 0, 60, 46, 80, 0, 96, 56, 66, 0]

cp's OEIS Frontend

A278082 1/12 of the number of primitive quadruples with sum = n and sum of squares = 3*n^2.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	0
5	4
6	2
7	8
8	0
9	6
10	4
11	11
12	0
13	14
14	8
15	8
16	0
17	18
18	6
19	20
20	0
21	16
22	11
23	22
24	0
25	20
26	14
27	18
28	0
29	30
30	8
31	30
32	0
33	22
34	18
35	32
36	0
37	36
38	20
39	28
40	0
41	42
42	16
43	44
44	0
45	24
46	22
47	46
48	0
49	56
50	20
51	36
52	0
53	52
54	18
55	44
56	0
57	40
58	30
59	58
60	0
61	62
62	30
63	48
64	0
65	56
66	22
67	66
68	0
69	44
70	32
71	70
72	0
73	74
74	36
75	40
76	0
77	88
78	28
79	80
80	0
81	54
82	42
83	84
84	0
85	72
86	44
87	60
88	0
89	88
90	24
91	112
92	0
93	60
94	46
95	80
96	0
97	96
98	56
99	66
100	0

n	a(n)
1	1
2	1
3	2
4	0
5	4
6	2
7	8
8	0
9	6
10	4
11	11
12	0
13	14
14	8
15	8
16	0
17	18
18	6
19	20
20	0
21	16
22	11
23	22
24	0
25	20
26	14
27	18
28	0
29	30
30	8
31	30
32	0
33	22
34	18
35	32
36	0
37	36
38	20
39	28
40	0
41	42
42	16
43	44
44	0
45	24
46	22
47	46
48	0
49	56
50	20
51	36
52	0
53	52
54	18
55	44
56	0
57	40
58	30
59	58
60	0
61	62
62	30
63	48
64	0
65	56
66	22
67	66
68	0
69	44
70	32
71	70
72	0
73	74
74	36
75	40
76	0
77	88
78	28
79	80
80	0
81	54
82	42
83	84
84	0
85	72
86	44
87	60
88	0
89	88
90	24
91	112
92	0
93	60
94	46
95	80
96	0
97	96
98	56
99	66
100	0

n	a(n)
1	1
2	1
3	2
4	0
5	4
6	2
7	8
8	0
9	6
10	4
11	11
12	0
13	14
14	8
15	8
16	0
17	18
18	6
19	20
20	0
21	16
22	11
23	22
24	0
25	20
26	14
27	18
28	0
29	30
30	8
31	30
32	0
33	22
34	18
35	32
36	0
37	36
38	20
39	28
40	0
41	42
42	16
43	44
44	0
45	24
46	22
47	46
48	0
49	56
50	20
51	36
52	0
53	52
54	18
55	44
56	0
57	40
58	30
59	58
60	0
61	62
62	30
63	48
64	0
65	56
66	22
67	66
68	0
69	44
70	32
71	70
72	0
73	74
74	36
75	40
76	0
77	88
78	28
79	80
80	0
81	54
82	42
83	84
84	0
85	72
86	44
87	60
88	0
89	88
90	24
91	112
92	0
93	60
94	46
95	80
96	0
97	96
98	56
99	66
100	0