410

def fibrec(count):
    if count <= 0:
        return None

    def actual_fibrec(counter, preprev, prev):
        if counter == 0:
            return []
        else:
            cur = preprev + prev
            return [cur] + actual_fibrec(counter, prev, cur)

    if count == 1:
        return [0]
    else:
        return [0, 1] + actual_fibrec(count - 2, 0, 1)