fibonacch on erlang.N=limit.(but start 2,5.if N=2,put a 1,1,2,5.)

fib.erl

-module(fib).
-export([f/1,f/4]).
f(N) -> io:put_chars("1\n1\n"),f(1,1,1,N).
f(E,F,X,N) -> 
if X > -1 -> io:put_chars(integer_to_list(E + F)),
	 io:put_chars("\n"),
	 if 	X /= N -> f(F,E+F,X+1,N);
				true -> ok
	 end;
	 true -> ok
end.