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Results tagged with fibonacci
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user 91504
The challenge involves Fibonacci numbers or one of their generalizations.
0
votes
Sum the First n Even Fibonacci Numbers
Excel (Version 1911), 119 Bytes
Using iterative calculations (Maximum iteration 1024)
A1 'Input
B1 =IF(B1=4^5,1,B1+1)
C1 =SEQUENCE(A1*3-1)-1
D1 =IF(B1=1,N(C1#>0),IF(C1#=B1,SUM(INDEX(D1#,B1-{0,1})),D …
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