A299924 - cp's OEIS frontend

A299924 Number of ways to write n^2 as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers such that x + 2y + 3z is a power of 4 (including 4^0 = 1).

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

[1, 1, 1, 1, 3, 4, 1, 1, 2, 2, 1, 2, 1, 1, 3, 1, 1, 11, 4, 6, 7, 7, 8, 4, 4, 6, 14, 4, 6, 17, 10, 1, 10, 6, 10, 7, 4, 4, 16, 2, 3, 10, 2, 1, 9, 6, 3, 2, 1, 5, 2, 3, 7, 9, 3, 1, 6, 2, 3, 7, 1, 4, 4, 1, 3, 4, 3, 1, 13, 20]

cp's OEIS Frontend

A299924 Number of ways to write n^2 as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers such that x + 2y + 3z is a power of 4 (including 4^0 = 1).

Table of values

List of values

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

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

cp's OEIS Frontend

A299924 Number of ways to write n^2 as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers such that x + 2*y + 3*z is a power of 4 (including 4^0 = 1).

Table of values

List of values

A299924 Number of ways to write n^2 as x^2 + y^2 + z^2 + w^2 with x,y,z,w nonnegative integers such that x + 2y + 3z is a power of 4 (including 4^0 = 1).

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