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 A162149 #5 Jul 19 2015 10:23:06
%S A162149 1,35,629,7735,73184,567952,3763935,21898413,114117990,540864298,
%T A162149 2359388214,9564192010,36311331322,129962338310,440928822623,
%U A162149 1424753834021,4402462293690,13054834025406,37266085146835
%N A162149 Number of reduced words of length n in the Weyl group B_35.
%C A162149 Computed with MAGMA using commands similar to those used to compute A161409.
%D A162149 J. E. Humphreys, Reflection Groups and Coxeter Groups, Cambridge, 1990. See under Poincaré polynomial.
%D A162149 N. Bourbaki, Groupes et alg. de Lie, Chap. 4, 5, 6. (The group is defined in Planche II.)
%F A162149 G.f. for B_m is the polynomial Prod_{k=1..m}(1-x^(2k))/(1-x). Only finitely many terms are nonzero. This is a row of the triangle in A128084.
%K A162149 nonn
%O A162149 0,2
%A A162149 _John Cannon_ and _N. J. A. Sloane_, Nov 30 2009