A264438 - cp's OEIS frontend

A264438 One-half of the x member of the positive proper fundamental solution (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - D(n)*y^2 = +8 for even D(n) = A264354(n).

n	a(n)
1	2
2	45
3	4
4	235
5	118521
6	6
7	156
8	665
9	8
10	410581
11	1431
12	1464
13	10
14	217061235
15	2629
16	20578212225
17	12
18	143681684300109
19	88
20	4355
21	53946009001
22	14
23	4149148875801021
24	244
25	6705
26	108
27	30839304871
28	16
29	103789115
30	78990793279586649
31	9775
32	2068
33	138751721731
34	18
35	7987764
36	2984191388685
37	13661
38	5246209297401255
39	406200
40	5142295

[2, 45, 4, 235, 118521, 6, 156, 665, 8, 410581, 1431, 1464, 10, 217061235, 2629, 20578212225, 12, 143681684300109, 88, 4355, 53946009001, 14, 4149148875801021, 244, 6705, 108, 30839304871, 16, 103789115, 78990793279586649, 9775, 2068, 138751721731, 18, 7987764, 2984191388685, 13661, 5246209297401255, 406200, 5142295]

cp's OEIS Frontend

A264438 One-half of the x member of the positive proper fundamental solution (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - D(n)*y^2 = +8 for even D(n) = A264354(n).

Table of values

List of values