About: http://webisa.webdatacommons.org/176914379

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	In mathematics, a stella octangula number is a figurate number based on the stella octangula, of the form n(2n2 ??? 1).[1][2]
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org