About: http://webisa.webdatacommons.org/30362242

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	A finite projective plane of order n PG(2,n) is a self-dual configuration of the form (n2+n+1)n+1 if such a configuration exists (which happens when n=pk where p is prime and k is a positive integer).
http://www.w3.org/ns/prov#wasQuotedFrom	cjfearnley.com