A338263 - cp's OEIS frontend

A338263 Number of ways to write 8n+7 as 2w^2 + x^2 + y^2 + z^2 with w, x, y, z nonnegative integers such that w(3x+7y+10z) is a square and also one of w, x, y, z is a square.

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

[1, 1, 2, 3, 1, 2, 1, 1, 1, 1, 4, 1, 2, 2, 2, 1, 6, 3, 7, 3, 2, 7, 3, 6, 4, 5, 3, 3, 1, 1, 3, 6, 4, 5, 9, 1, 6, 4, 7, 2, 4, 4, 6, 3, 1, 6, 3, 5, 5, 4, 1, 3, 4, 4, 6, 7, 4, 3, 5, 3, 9, 3, 6, 3, 1, 10, 7, 2, 8, 3, 2, 10, 6, 5, 3, 4, 5, 4, 5, 5, 4]

cp's OEIS Frontend

A338263 Number of ways to write 8n+7 as 2w^2 + x^2 + y^2 + z^2 with w, x, y, z nonnegative integers such that w(3x+7y+10z) is a square and also one of w, x, y, z is a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A338263 Number of ways to write 8*n+7 as 2*w^2 + x^2 + y^2 + z^2 with w, x, y, z nonnegative integers such that w*(3*x+7*y+10*z) is a square and also one of w, x, y, z is a square.

Table of values

List of values

A338263 Number of ways to write 8n+7 as 2w^2 + x^2 + y^2 + z^2 with w, x, y, z nonnegative integers such that w(3x+7y+10z) is a square and also one of w, x, y, z is a square.

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