{"version":"1.0","type":"link","title":"Triangular number - Newikis","description":"The triangular numbers or triangle numbers are the sequence of positive integers that can be represented as a lattice of points arranged in an equilateral triangle. The triangular lattice representing the th triangular number contains rows: the first row contains one point, the second row contains…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/1/1c/First_six_triangular_numbers.svg/1280px-First_six_triangular_numbers.svg.png","thumbnail_width":1280,"thumbnail_height":1075}