<http://webisa.webdatacommons.org/prov/516246970>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/175601155> .
<http://webisa.webdatacommons.org/175601155>	<http://www.w3.org/ns/prov#value>	"p+x(x+1), where p is a prime congruent to 1 mod 4, and x is an integer." .
<http://webisa.webdatacommons.org/175601155>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/175601155>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nju.edu.cn> .