use numberlab::figurate::triangular::{nth_triangular, triangular_sequence};
fn main() {
let series = triangular_sequence(10);
println!("{:?} == {}", series, series.iter().sum::<u128>());
let n_series: Vec<u128> = (0..10).map(|n| nth_triangular(n)).collect();
println!("{:?} == {}", n_series, n_series.iter().sum::<u128>());
}