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A059853 Period of continued fraction for sqrt(n^2+3), n >= 2.

Table of values

n a(n)
2 4
3 2
4 6
5 4
6 2
7 6
8 10
9 2
10 12
11 16
12 2
13 16
14 20
15 2
16 10
17 10
18 2
19 12
20 10
21 2
22 28
23 10
24 2
25 26
26 16
27 2
28 18
29 48
30 2
31 34
32 12
33 2
34 26
35 32
36 2
37 32
38 32
39 2
40 20
41 70
42 2
43 56
44 34
45 2
46 24
47 22
48 2
49 54
50 52
51 2
52 70
53 16
54 2
55 18
56 38
57 2
58 16
59 36
60 2
61 12
62 72
63 2
64 114
65 30
66 2
67 64
68 32
69 2
70 52
71 54
72 2
73 22
74 92
75 2
76 154
77 88
78 2
79 56

List of values

[4, 2, 6, 4, 2, 6, 10, 2, 12, 16, 2, 16, 20, 2, 10, 10, 2, 12, 10, 2, 28, 10, 2, 26, 16, 2, 18, 48, 2, 34, 12, 2, 26, 32, 2, 32, 32, 2, 20, 70, 2, 56, 34, 2, 24, 22, 2, 54, 52, 2, 70, 16, 2, 18, 38, 2, 16, 36, 2, 12, 72, 2, 114, 30, 2, 64, 32, 2, 52, 54, 2, 22, 92, 2, 154, 88, 2, 56]

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