About: http://webisa.webdatacommons.org/22848438

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This answer is the smallest solution to the Diophantine equation 1/6 k(1 + k)(1 + 2k) = n2 and turns out to be k = 24, n = 70, corresponding to 4,900 cannonballs.
http://www.w3.org/ns/prov#wasQuotedFrom	daviddarling.info