Please, recheck your code. It should output these numbers: 
1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 ...

i.e.:
perl -e '$.++;print$}+=$.,q| |,$.+=$},q| |while+1'|more

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In reply to Re^2: Fibonacci numbers (again) by sh1tn
in thread Fibonacci numbers (again) by sh1tn

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