1,1
a(1)=3 because 3, 4 and 5 are sides of Heronian triangle (area is 6, inradius is 1).
Cf. A001353, A016064, A087602.
Adjacent sequences: A087598 A087599 A087600 this_sequence A087602 A087603 A087604
Sequence in context: A081299 A117808 A002065 this_sequence A112093 A085010 A100441
more,nonn
Zak Seidov (zakseidov(AT)yahoo.com), Aug 07 2003
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