A329265 - cp's OEIS frontend

A329265 a(n) is the number of solutions of the infinite Diophantine equation Sum_{j>0} j^r*(k_j)^2 = n with k_j integers and r = 3.

n	a(n)
0	1
1	2
2	0
3	0
4	2
5	0
6	0
7	0
8	2
9	6
10	0
11	0
12	4
13	0
14	0
15	0
16	2
17	4
18	0
19	0
20	0
21	0
22	0
23	0
24	4
25	2
26	0
27	2
28	4
29	0
30	0
31	4
32	2
33	8
34	0
35	4
36	18
37	0
38	0
39	8
40	0
41	4
42	0
43	4
44	12
45	0
46	0
47	0
48	4
49	2
50	0
51	8
52	4
53	0
54	0
55	0
56	0
57	8
58	0
59	4
60	16
61	0
62	0
63	12
64	4
65	4
66	0
67	0
68	16
69	0
70	0
71	8
72	10
73	16
74	0
75	8
76	16
77	0
78	0
79	0
80	4
81	18
82	0
83	0
84	16

[1, 2, 0, 0, 2, 0, 0, 0, 2, 6, 0, 0, 4, 0, 0, 0, 2, 4, 0, 0, 0, 0, 0, 0, 4, 2, 0, 2, 4, 0, 0, 4, 2, 8, 0, 4, 18, 0, 0, 8, 0, 4, 0, 4, 12, 0, 0, 0, 4, 2, 0, 8, 4, 0, 0, 0, 0, 8, 0, 4, 16, 0, 0, 12, 4, 4, 0, 0, 16, 0, 0, 8, 10, 16, 0, 8, 16, 0, 0, 0, 4, 18, 0, 0, 16]

cp's OEIS Frontend

A329265 a(n) is the number of solutions of the infinite Diophantine equation Sum_{j>0} j^r*(k_j)^2 = n with k_j integers and r = 3.

Table of values

List of values

n	a(n)
0	1
1	2
2	0
3	0
4	2
5	0
6	0
7	0
8	2
9	6
10	0
11	0
12	4
13	0
14	0
15	0
16	2
17	4
18	0
19	0
20	0
21	0
22	0
23	0
24	4
25	2
26	0
27	2
28	4
29	0
30	0
31	4
32	2
33	8
34	0
35	4
36	18
37	0
38	0
39	8
40	0
41	4
42	0
43	4
44	12
45	0
46	0
47	0
48	4
49	2
50	0
51	8
52	4
53	0
54	0
55	0
56	0
57	8
58	0
59	4
60	16
61	0
62	0
63	12
64	4
65	4
66	0
67	0
68	16
69	0
70	0
71	8
72	10
73	16
74	0
75	8
76	16
77	0
78	0
79	0
80	4
81	18
82	0
83	0
84	16

n	a(n)
0	1
1	2
2	0
3	0
4	2
5	0
6	0
7	0
8	2
9	6
10	0
11	0
12	4
13	0
14	0
15	0
16	2
17	4
18	0
19	0
20	0
21	0
22	0
23	0
24	4
25	2
26	0
27	2
28	4
29	0
30	0
31	4
32	2
33	8
34	0
35	4
36	18
37	0
38	0
39	8
40	0
41	4
42	0
43	4
44	12
45	0
46	0
47	0
48	4
49	2
50	0
51	8
52	4
53	0
54	0
55	0
56	0
57	8
58	0
59	4
60	16
61	0
62	0
63	12
64	4
65	4
66	0
67	0
68	16
69	0
70	0
71	8
72	10
73	16
74	0
75	8
76	16
77	0
78	0
79	0
80	4
81	18
82	0
83	0
84	16

n	a(n)
0	1
1	2
2	0
3	0
4	2
5	0
6	0
7	0
8	2
9	6
10	0
11	0
12	4
13	0
14	0
15	0
16	2
17	4
18	0
19	0
20	0
21	0
22	0
23	0
24	4
25	2
26	0
27	2
28	4
29	0
30	0
31	4
32	2
33	8
34	0
35	4
36	18
37	0
38	0
39	8
40	0
41	4
42	0
43	4
44	12
45	0
46	0
47	0
48	4
49	2
50	0
51	8
52	4
53	0
54	0
55	0
56	0
57	8
58	0
59	4
60	16
61	0
62	0
63	12
64	4
65	4
66	0
67	0
68	16
69	0
70	0
71	8
72	10
73	16
74	0
75	8
76	16
77	0
78	0
79	0
80	4
81	18
82	0
83	0
84	16