A180495 - cp's OEIS frontend

A180495 Coefficient a(n) of three-term recurrence relation for solutions of the equation in integers x^2-nfloor(x/sqrt(n))^2=1 such that x(i+2)=a(n)x(i+1)-x(i). n is a nonsquare number.

n	a(n)
2	6
3	4
4	18
5	10
6	16
7	6
8	38
9	20
10	14
11	1298
12	30
13	8
14	66
15	34
16	340
17	18
18	110
19	394
20	48
21	10
22	102
23	52
24	254
25	19602
26	22
27	3040
28	34
29	46
30	70
31	12
32	146
33	74
34	50
35	38
36	4098
37	26
38	6964
39	398
40	322
41	48670
42	96
43	14
44	198
45	100
46	1298
47	132498
48	970
49	178
50	30
51	302
52	39206
53	1060
54	62
55	3532638098
56	126

[6, 4, 18, 10, 16, 6, 38, 20, 14, 1298, 30, 8, 66, 34, 340, 18, 110, 394, 48, 10, 102, 52, 254, 19602, 22, 3040, 34, 46, 70, 12, 146, 74, 50, 38, 4098, 26, 6964, 398, 322, 48670, 96, 14, 198, 100, 1298, 132498, 970, 178, 30, 302, 39206, 1060, 62, 3532638098, 126]

cp's OEIS Frontend

A180495 Coefficient a(n) of three-term recurrence relation for solutions of the equation in integers x^2-nfloor(x/sqrt(n))^2=1 such that x(i+2)=a(n)x(i+1)-x(i). n is a nonsquare number.

Table of values

List of values

cp's OEIS Frontend

A180495 Coefficient a(n) of three-term recurrence relation for solutions of the equation in integers x^2-n*floor(x/sqrt(n))^2=1 such that x(i+2)=a(n)*x(i+1)-x(i). n is a nonsquare number.

Table of values

List of values

A180495 Coefficient a(n) of three-term recurrence relation for solutions of the equation in integers x^2-nfloor(x/sqrt(n))^2=1 such that x(i+2)=a(n)x(i+1)-x(i). n is a nonsquare number.