1,1
407+p(407)+p(p(407))=169^2.
Cf. A116010.
Sequence in context: A077250 A099839 A075183 this_sequence A058715 A140617 A001721
Adjacent sequences: A116008 A116009 A116010 this_sequence A116012 A116013 A116014
nonn
Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006
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