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lucas_number

mathverse_core::integer

Function lucas_number 

Source 
pub fn lucas_number(n: u64) -> u128
Expand description

n-th Lucas number (L_0 = 2, L_1 = 1, L_n = L_{n-1} + L_{n-2}).

ยงExamples

use mathverse_core::integer::lucas_number;

assert_eq!(lucas_number(0), 2);
assert_eq!(lucas_number(1), 1);
assert_eq!(lucas_number(4), 7);