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 A152803 #2 Mar 30 2012 18:37:15 %S A152803 1,1,2,2,2,3,4,3,3,6,6,2,5,13,5,-8,17,38,-28,-46,119,88,-290,-42,763, %T A152803 -208,-1738,1363,3727,-5084,-6907,16043,9959,-45166,-4025,116799, %U A152803 -44571,-277503,244975,597094,-912129,-1108463,2880463,1505334,-8180133,-30884 %N A152803 G.f.: limit of the ratio of the g.f.s of adjacent rows in triangle A152800. %e A152803 G.f.: q + q^2 + 2*q^3 + 2*q^4 + 2*q^5 + 3*q^6 + 4*q^7 + 3*q^8 + 3*q^9 + 6*q^10 +... %Y A152803 Cf. A152800. %K A152803 sign %O A152803 1,3 %A A152803 _Paul D. Hanna_, Dec 26 2008