A344233 - cp's OEIS frontend

A344233 Irregular triangle read by rows: row n gives the pairs of proper solutions (X, Y), with gcd(X, Y) = 1 and X >= 0, of the Diophantine equation X^2 + 5*Y^2 = A344231(n), for n >= 1.

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

[1, 0, 0, 1, 1, 1, 1, -1, 2, 1, 2, -1, 3, 1, 3, -1, 1, 2, 1, -2, 4, 1, 4, -1, 3, 2, 3, -2, 5, 1, 5, -1, 6, 1, 6, -1, 5, 2, 5, -2, 1, 3, 1, -3, 2, 3, 2, -3, 7, 1, 7, -1, 4, 3, 3, -3, 8, 1, 8, -1, 7, 2, 7, -2, 5, 3, 5, -3, 1, 4, 1, -4, 9, 1, 9, -1, 3, 4, 3, -4, 7, 3, 7, -3]

cp's OEIS Frontend

A344233 Irregular triangle read by rows: row n gives the pairs of proper solutions (X, Y), with gcd(X, Y) = 1 and X >= 0, of the Diophantine equation X^2 + 5*Y^2 = A344231(n), for n >= 1.

Table of values

List of values

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

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

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