disp('zad')
function [f] = fe(n)
if n==0
f = 3;
end
if n==1
f = 5;
end
if n>1
f =fe(n-1)^2 - 2 * (fe(n-2)-1)^2;
end
end

n=5;
for ii = 0:n
fe(ii)
end