A272888 - cp's OEIS frontend

A272888 Number of ordered ways to write n as w^2 + x^2 + y^2 + z^2 with w(x^2 + 8y^2 - z^2) a square, where w,x,y are nonnegative integers and z is a positive integer.

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

[1, 2, 2, 1, 4, 5, 1, 2, 5, 5, 4, 4, 5, 8, 2, 2, 8, 6, 4, 6, 9, 5, 3, 4, 5, 12, 9, 1, 11, 8, 4, 2, 8, 9, 8, 7, 6, 12, 1, 5, 14, 10, 4, 8, 15, 9, 3, 4, 8, 14, 11, 5, 11, 16, 2, 6, 11, 6, 11, 4, 13, 13, 1, 1, 16, 17, 6, 9, 13, 9, 5, 7, 9, 19, 12, 6, 17, 8, 4, 6]

cp's OEIS Frontend

A272888 Number of ordered ways to write n as w^2 + x^2 + y^2 + z^2 with w(x^2 + 8y^2 - z^2) a square, where w,x,y are nonnegative integers and z is a positive integer.

Table of values

List of values

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

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

cp's OEIS Frontend

A272888 Number of ordered ways to write n as w^2 + x^2 + y^2 + z^2 with w*(x^2 + 8*y^2 - z^2) a square, where w,x,y are nonnegative integers and z is a positive integer.

Table of values

List of values

A272888 Number of ordered ways to write n as w^2 + x^2 + y^2 + z^2 with w(x^2 + 8y^2 - z^2) a square, where w,x,y are nonnegative integers and z is a positive integer.

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