# f²(3) is basically ff(3) so its f[(3+2)²-1] which is f(24) so find (24+2)²-1 and that will be your answer :D
# tame nest f²(3) is basically ff(3) so its f[(3+2)²-1] which is f(24) so find (24+2)²-1 and... Thank u!!