About: http://webisa.webdatacommons.org/90081075

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	Unfortunately this problem does not seem to lend itself to nice combinatoric or other counting manipulations and the count seems to be too large to want to attempt the casework by brute-force.
http://www.w3.org/ns/prov#wasQuotedFrom	artofproblemsolving.com