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use seqgen::prelude::*;

fn main() {
    let fib_seq = Sequence::new()
        .initial_elements(vec![0, 1_u128])
        .transition_function(|alive_elements, current_index| {
            alive_elements.nth_element(current_index - 1).unwrap()
                + alive_elements.nth_element(current_index - 2).unwrap()
        })
        .pre_generate(185);

    fib_seq
        .alive_elements()
        .for_each(|element| println!("{element}"));
}