Please take a look at the following code and output
f[1] = 1;
f[2] = 2;
f[n_] := f[n - 2] + f[n - 1]
f[3]
Plot[f[n], {n, 1, 5}]
Out[]= 3
During evaluation of
$RecursionLimit::reclim2: Recursion depth of 1024 exceeded during evaluation of f[-2007.-2].
Please help
Thank you
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