A273432 - cp's OEIS frontend

A273432 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with 2*x + y - z a nonnegative cube, where x,y,z,w are nonnegative integers with y <= z.

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

[1, 1, 2, 2, 1, 1, 4, 1, 1, 3, 1, 3, 2, 1, 3, 3, 2, 3, 5, 2, 3, 4, 6, 1, 3, 5, 1, 6, 1, 3, 7, 2, 2, 5, 6, 5, 6, 3, 6, 4, 1, 3, 4, 5, 4, 5, 7, 2, 3, 8, 6, 7, 3, 4, 8, 3, 2, 6, 3, 5, 7, 3, 8, 7, 2, 4, 10, 4, 4, 7, 9, 7, 2, 4, 2, 7, 3, 5, 11, 2, 4]

cp's OEIS Frontend

A273432 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with 2*x + y - z a nonnegative cube, where x,y,z,w are nonnegative integers with y <= z.

Table of values

List of values

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

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

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