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 A152559 #4 Jul 11 2015 16:20:03 %S A152559 1,2,7,42,495,7436,153361,3853322,116503839,4127612326,167061660005, %T A152559 7671346786170,392298901133895,22113791358359574,1365967717507556804, %U A152559 91549507266620360316,6624242349107514460269,514871138228210665592112 %N A152559 Largest term in row n of triangle A152555. %C A152559 Compare to row sums of triangle A152555: 2*(2n+2)^(n-1). %C A152559 Triangle A152555 lists coefficients in a q-analog of the function LambertW(-2x)/(-2x). %o A152559 (PARI) {a(n)=local(e_q=1+sum(j=1,n,x^j/prod(i=1,j,(q^i-1)/(q-1))), LW2_q=serreverse(x/(e_q+x*O(x^n))^2)/x); vecsort(Vec(polcoeff(LW2_q+x*O(x^n),n,x)*prod(i=1,n,(q^i-1)/(q-1))))[n*(n-1)/2+1]} %Y A152559 Cf. A152555, A152556(q=-1), A152557 (q=2) A152558 (q=3). %K A152559 nonn %O A152559 0,2 %A A152559 _Paul D. Hanna_, Dec 07 2008