A175368 - cp's OEIS frontend

A175368 Number of integer 4-tuples (x,y,z,u) satisfying |x|^3 + |y|^3 + |z|^3 + |u|^3 = n, -n <= x,y,z,u <= n.

n	a(n)
0	1
1	8
2	24
3	32
4	16
5	0
6	0
7	0
8	8
9	48
10	96
11	64
12	0
13	0
14	0
15	0
16	24
17	96
18	96
19	0
20	0
21	0
22	0
23	0
24	32
25	64
26	0
27	8
28	48
29	96
30	64
31	0
32	16
33	0
34	0
35	48
36	192
37	192
38	0
39	0
40	0
41	0
42	0
43	96
44	192
45	0
46	0
47	0
48	0
49	0
50	0
51	64
52	0
53	0
54	24
55	96
56	96
57	0
58	0
59	0
60	0
61	0
62	96
63	192
64	8
65	48
66	96
67	64
68	0
69	0
70	96
71	0
72	48
73	192
74	192
75	0
76	0
77	0
78	0
79	0
80	96
81	224
82	64
83	0

[1, 8, 24, 32, 16, 0, 0, 0, 8, 48, 96, 64, 0, 0, 0, 0, 24, 96, 96, 0, 0, 0, 0, 0, 32, 64, 0, 8, 48, 96, 64, 0, 16, 0, 0, 48, 192, 192, 0, 0, 0, 0, 0, 96, 192, 0, 0, 0, 0, 0, 0, 64, 0, 0, 24, 96, 96, 0, 0, 0, 0, 0, 96, 192, 8, 48, 96, 64, 0, 0, 96, 0, 48, 192, 192, 0, 0, 0, 0, 0, 96, 224, 64, 0]

cp's OEIS Frontend

A175368 Number of integer 4-tuples (x,y,z,u) satisfying |x|^3 + |y|^3 + |z|^3 + |u|^3 = n, -n <= x,y,z,u <= n.

Table of values

List of values

n	a(n)
0	1
1	8
2	24
3	32
4	16
5	0
6	0
7	0
8	8
9	48
10	96
11	64
12	0
13	0
14	0
15	0
16	24
17	96
18	96
19	0
20	0
21	0
22	0
23	0
24	32
25	64
26	0
27	8
28	48
29	96
30	64
31	0
32	16
33	0
34	0
35	48
36	192
37	192
38	0
39	0
40	0
41	0
42	0
43	96
44	192
45	0
46	0
47	0
48	0
49	0
50	0
51	64
52	0
53	0
54	24
55	96
56	96
57	0
58	0
59	0
60	0
61	0
62	96
63	192
64	8
65	48
66	96
67	64
68	0
69	0
70	96
71	0
72	48
73	192
74	192
75	0
76	0
77	0
78	0
79	0
80	96
81	224
82	64
83	0

n	a(n)
0	1
1	8
2	24
3	32
4	16
5	0
6	0
7	0
8	8
9	48
10	96
11	64
12	0
13	0
14	0
15	0
16	24
17	96
18	96
19	0
20	0
21	0
22	0
23	0
24	32
25	64
26	0
27	8
28	48
29	96
30	64
31	0
32	16
33	0
34	0
35	48
36	192
37	192
38	0
39	0
40	0
41	0
42	0
43	96
44	192
45	0
46	0
47	0
48	0
49	0
50	0
51	64
52	0
53	0
54	24
55	96
56	96
57	0
58	0
59	0
60	0
61	0
62	96
63	192
64	8
65	48
66	96
67	64
68	0
69	0
70	96
71	0
72	48
73	192
74	192
75	0
76	0
77	0
78	0
79	0
80	96
81	224
82	64
83	0

n	a(n)
0	1
1	8
2	24
3	32
4	16
5	0
6	0
7	0
8	8
9	48
10	96
11	64
12	0
13	0
14	0
15	0
16	24
17	96
18	96
19	0
20	0
21	0
22	0
23	0
24	32
25	64
26	0
27	8
28	48
29	96
30	64
31	0
32	16
33	0
34	0
35	48
36	192
37	192
38	0
39	0
40	0
41	0
42	0
43	96
44	192
45	0
46	0
47	0
48	0
49	0
50	0
51	64
52	0
53	0
54	24
55	96
56	96
57	0
58	0
59	0
60	0
61	0
62	96
63	192
64	8
65	48
66	96
67	64
68	0
69	0
70	96
71	0
72	48
73	192
74	192
75	0
76	0
77	0
78	0
79	0
80	96
81	224
82	64
83	0