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<http://webisa.webdatacommons.org/121436317>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mathhelpforum.com> .
<http://webisa.webdatacommons.org/121436317>	<http://www.w3.org/ns/prov#value>	"Proving that sigma_k(n) is odd if n is a square or double a square Proving that sigma_k(n) is odd if n is a square or double a square Printable View" .
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