A081120 - cp's OEIS frontend

A081120 Number of integral solutions to Mordell's equation y^2 = x^3 - n.

n	a(n)
1	1
2	2
3	0
4	4
5	0
6	0
7	4
8	1
9	0
10	0
11	4
12	0
13	2
14	0
15	2
16	0
17	0
18	2
19	2
20	2
21	0
22	0
23	2
24	0
25	2
26	4
27	1
28	6
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	0
37	0
38	0
39	6
40	2
41	0
42	0
43	0
44	2
45	2
46	0
47	6
48	4
49	2
50	0
51	0
52	0
53	4
54	2
55	4
56	2
57	0
58	0
59	0
60	4
61	2
62	0
63	4
64	1
65	0
66	0
67	2
68	0
69	0
70	0
71	2
72	2
73	0
74	2
75	0
76	4
77	0
78	0
79	2
80	0
81	2
82	0
83	2
84	0
85	0
86	0
87	2
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	2
96	0
97	0
98	0
99	0
100	6

[1, 2, 0, 4, 0, 0, 4, 1, 0, 0, 4, 0, 2, 0, 2, 0, 0, 2, 2, 2, 0, 0, 2, 0, 2, 4, 1, 6, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 6, 2, 0, 0, 0, 2, 2, 0, 6, 4, 2, 0, 0, 0, 4, 2, 4, 2, 0, 0, 0, 4, 2, 0, 4, 1, 0, 0, 2, 0, 0, 0, 2, 2, 0, 2, 0, 4, 0, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 6]

cp's OEIS Frontend

A081120 Number of integral solutions to Mordell's equation y^2 = x^3 - n.

Table of values

List of values

n	a(n)
1	1
2	2
3	0
4	4
5	0
6	0
7	4
8	1
9	0
10	0
11	4
12	0
13	2
14	0
15	2
16	0
17	0
18	2
19	2
20	2
21	0
22	0
23	2
24	0
25	2
26	4
27	1
28	6
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	0
37	0
38	0
39	6
40	2
41	0
42	0
43	0
44	2
45	2
46	0
47	6
48	4
49	2
50	0
51	0
52	0
53	4
54	2
55	4
56	2
57	0
58	0
59	0
60	4
61	2
62	0
63	4
64	1
65	0
66	0
67	2
68	0
69	0
70	0
71	2
72	2
73	0
74	2
75	0
76	4
77	0
78	0
79	2
80	0
81	2
82	0
83	2
84	0
85	0
86	0
87	2
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	2
96	0
97	0
98	0
99	0
100	6

n	a(n)
1	1
2	2
3	0
4	4
5	0
6	0
7	4
8	1
9	0
10	0
11	4
12	0
13	2
14	0
15	2
16	0
17	0
18	2
19	2
20	2
21	0
22	0
23	2
24	0
25	2
26	4
27	1
28	6
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	0
37	0
38	0
39	6
40	2
41	0
42	0
43	0
44	2
45	2
46	0
47	6
48	4
49	2
50	0
51	0
52	0
53	4
54	2
55	4
56	2
57	0
58	0
59	0
60	4
61	2
62	0
63	4
64	1
65	0
66	0
67	2
68	0
69	0
70	0
71	2
72	2
73	0
74	2
75	0
76	4
77	0
78	0
79	2
80	0
81	2
82	0
83	2
84	0
85	0
86	0
87	2
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	2
96	0
97	0
98	0
99	0
100	6

n	a(n)
1	1
2	2
3	0
4	4
5	0
6	0
7	4
8	1
9	0
10	0
11	4
12	0
13	2
14	0
15	2
16	0
17	0
18	2
19	2
20	2
21	0
22	0
23	2
24	0
25	2
26	4
27	1
28	6
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	0
37	0
38	0
39	6
40	2
41	0
42	0
43	0
44	2
45	2
46	0
47	6
48	4
49	2
50	0
51	0
52	0
53	4
54	2
55	4
56	2
57	0
58	0
59	0
60	4
61	2
62	0
63	4
64	1
65	0
66	0
67	2
68	0
69	0
70	0
71	2
72	2
73	0
74	2
75	0
76	4
77	0
78	0
79	2
80	0
81	2
82	0
83	2
84	0
85	0
86	0
87	2
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	2
96	0
97	0
98	0
99	0
100	6