2. De rij van Fibonacci
Function Fibo(Number)
Dim Phi
Phi = (5 ^ (1 / 2) + 1) / 2
Fibo = (Phi ^ Number - (-Phi) ^ (-Number)) / (5 ^ (1 / 2))
End Function
Function Fibo2(Number)
If Number > 2 Then
Fibo2 = Fibo2(Number - 1) + Fibo2(Number - 2)
Else
Fibo2 = 1
End If
End Function
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1
|
1
|
1
|
|
2
|
1
|
1
|
|
3
|
2
|
2
|
|
4
|
3
|
3
|
|
5
|
5
|
5
|
|
6
|
8
|
8
|
|
7
|
13
|
13
|
|
8
|
21
|
21
|
|
9
|
34
|
34
|
|
10
|
55
|
55
|
|
11
|
89
|
89
|
|
12
|
144
|
144
|
|
13
|
233
|
233
|
|
14
|
377
|
377
|
|
15
|
610
|
610
|
|
16
|
987
|
987
|
|
17
|
1597
|
1597
|
|
18
|
2584
|
2584
|
|
19
|
4181
|
4181
|
|
20
|
6765
|
6765
|
|
21
|
10946
|
10946
|
|
22
|
17711
|
17711
|
|
23
|
28657
|
28657
|
|
24
|
46368
|
46368
|
|
25
|
75025
|
75025
|
De tweede kolom is fibo(...) en de tweede kolom is fibo2(...). Zoek de verschillen!
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