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 A132981 #6 Mar 31 2012 10:26:06 %S A132981 5,5,13,13,17,17,25,25,29,29,37,37,41,41,53,53,61,61,65,65,65,65,73, %T A132981 73,85,85,85,85,89,89,97,97,101,101,109,109,113,113,125,125,137,137, %U A132981 145,145,145,145,149,149,157,157,169,169,173,173,181,181,185,185,185,185 %N A132981 Equal sides of isosceles Heronian triangles, ordered. %F A132981 Entries of A020882 doubled. %e A132981 Entries 65,65,65,65, refer to the isosceles Heronian triangles (65,65,66),(66,65,112),(65,65,32),(65,65,126) the first two with common area 1848 and the last two with common area 1008. %Y A132981 Cf. A120644. %K A132981 nonn %O A132981 1,1 %A A132981 _Lekraj Beedassy_, Nov 19 2007