This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A087601 #16 Jul 08 2015 12:21:33 %S A087601 3,13,193,37633,7300801,1416317953 %N A087601 Primes occurring as lesser side of Heronian triangle (sides are consecutive integers, area and inradius are integers). %C A087601 Next term (if it exists) is greater than 10^10000. - _Ray Chandler_, Jul 04 2015 %D A087601 Mohammad K. Azarian, Circumradius and Inradius, Problem S125, Math Horizons, Vol. 15, Issue 4, April 2008, p. 32. Solution published in Vol. 16, Issue 2, November 2008, p. 32. %F A087601 Prime elements of A016064. Alternatively, primes p such that 3*(p+1)^2-12 is a square, i.e., p+1 belongs to A003500. - _Max Alekseyev_, May 14 2010 %e A087601 a(1)=3 because 3, 4 and 5 are sides of Heronian triangle (area is 6, inradius is 1). %Y A087601 Cf. A001353, A016064, A003500, A087602. %K A087601 more,nonn %O A087601 1,1 %A A087601 _Zak Seidov_, Aug 07 2003