_:n0f46745ec30a4f0bb81d4034bdc4ab53xb12
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.askiitians.com/forums/Magical-Mathematics%5BInteresting-Approach%5D/no-of-x-for-which-1-5-2-10-x-15-are-coplan_126487.htm>