A368339 - cp's OEIS frontend

A368339 Take the solution to Pellian equation x^2 - 8ny^2 = 1 with smallest positive y and x >= 0; sequence gives a(n) = y, or 0 if n is twice a positive square. A368340 gives values of x.

n	a(n)
1	1
2	0
3	1
4	3
5	3
6	1
7	2
8	0
9	2
10	1
11	21
12	5
13	5
14	12
15	1
16	51
17	3
18	0
19	3
20	57
21	1
22	15
23	1794
24	7
25	7
26	45
27	33
28	1
29	1287
30	2
31	4
32	0
33	4
34	2
35	15
36	1
37	215
38	3315
39	3
40	9
41	9
42	3
43	561
44	4137
45	1
46	60
47	110532
48	245
49	5
50	0
51	5
52	255
53	1557945
54	65
55	1
56	6
57	48
58	455
59	14127
60	11
61	11
62	207480
63	20
64	29427
65	285
66	1

[1, 0, 1, 3, 3, 1, 2, 0, 2, 1, 21, 5, 5, 12, 1, 51, 3, 0, 3, 57, 1, 15, 1794, 7, 7, 45, 33, 1, 1287, 2, 4, 0, 4, 2, 15, 1, 215, 3315, 3, 9, 9, 3, 561, 4137, 1, 60, 110532, 245, 5, 0, 5, 255, 1557945, 65, 1, 6, 48, 455, 14127, 11, 11, 207480, 20, 29427, 285, 1]

cp's OEIS Frontend

A368339 Take the solution to Pellian equation x^2 - 8ny^2 = 1 with smallest positive y and x >= 0; sequence gives a(n) = y, or 0 if n is twice a positive square. A368340 gives values of x.

Table of values

List of values

cp's OEIS Frontend

A368339 Take the solution to Pellian equation x^2 - 8*n*y^2 = 1 with smallest positive y and x >= 0; sequence gives a(n) = y, or 0 if n is twice a positive square. A368340 gives values of x.

Table of values

List of values

A368339 Take the solution to Pellian equation x^2 - 8ny^2 = 1 with smallest positive y and x >= 0; sequence gives a(n) = y, or 0 if n is twice a positive square. A368340 gives values of x.