A282161 - cp's OEIS frontend

A282161 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x and (12x)^2 + (5y-10*z)^2 both squares, where x,y,z are nonnegative integers and w is a positive integer.

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

[1, 3, 2, 2, 5, 4, 2, 2, 4, 6, 4, 3, 4, 6, 3, 1, 9, 7, 5, 6, 7, 7, 1, 4, 8, 11, 7, 1, 11, 10, 2, 3, 8, 9, 6, 9, 8, 11, 5, 5, 15, 7, 4, 5, 13, 9, 2, 2, 8, 15, 10, 8, 10, 17, 3, 7, 12, 4, 10, 4, 11, 16, 3, 2, 18, 16, 6, 9, 15, 11, 4, 6, 8, 16, 12, 3, 13, 13, 1, 5]

cp's OEIS Frontend

A282161 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x and (12x)^2 + (5y-10*z)^2 both squares, where x,y,z are nonnegative integers and w is a positive integer.

Table of values

List of values

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

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

cp's OEIS Frontend

A282161 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x and (12*x)^2 + (5*y-10*z)^2 both squares, where x,y,z are nonnegative integers and w is a positive integer.

Table of values

List of values

A282161 Number of ways to write n as x^2 + y^2 + z^2 + w^2 with x and (12x)^2 + (5y-10*z)^2 both squares, where x,y,z are nonnegative integers and w is a positive integer.

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