A364421 - cp's OEIS frontend

A364421 For n >= 3, r >= 0, y an integer, a(n) is the number of integral solutions to the elliptic equation y^2 = n^3 + n^2 + 2rn + r^2.

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

[2, 2, 2, 3, 2, 4, 3, 4, 2, 8, 2, 4, 8, 5, 2, 7, 2, 9, 8, 4, 2, 15, 3, 4, 5, 10, 2, 15, 2, 7, 8, 4, 8, 17, 2, 4, 8, 15, 2, 15, 2, 10, 14, 4, 2, 22, 3, 7, 8, 9, 2, 10, 8, 15, 8, 4, 2, 38, 2, 4, 14, 8, 8, 15, 2, 9, 7, 16, 2, 27, 2, 4, 13, 9, 8, 15, 2, 22, 6, 4, 2, 39, 8, 4, 7, 16, 2, 27, 8, 10]

cp's OEIS Frontend

A364421 For n >= 3, r >= 0, y an integer, a(n) is the number of integral solutions to the elliptic equation y^2 = n^3 + n^2 + 2rn + r^2.

Table of values

List of values

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

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

cp's OEIS Frontend

A364421 For n >= 3, r >= 0, y an integer, a(n) is the number of integral solutions to the elliptic equation y^2 = n^3 + n^2 + 2*r*n + r^2.

Table of values

List of values

A364421 For n >= 3, r >= 0, y an integer, a(n) is the number of integral solutions to the elliptic equation y^2 = n^3 + n^2 + 2rn + r^2.

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