module fibonacci

fib(0, 0).
fib(1, 1).
fib(N, F) :-
    N > 1,
    N1 is N - 1,
    N2 is N - 2,
    fib(N1, F1),
    fib(N2, F2),
    F is F1 + F2.

fibs(Max, Fibs) :-
    findall(F, (between(0, Max, N), fib(N, F)), Fibs).