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 A162193 #5 Jul 19 2015 10:20:50
%S A162193 1,48,1175,19552,248723,2579312,22706404,174482000,1194358970,
%T A162193 7396268880,41942496051,219939217728,1075086490926,4931595192160,
%U A162193 21350092231441,87658196804688,342762976614961,1281150739056160
%N A162193 Number of reduced words of length n in the Weyl group B_48.
%C A162193 Computed with MAGMA using commands similar to those used to compute A161409.
%D A162193 J. E. Humphreys, Reflection Groups and Coxeter Groups, Cambridge, 1990. See under Poincaré polynomial.
%D A162193 N. Bourbaki, Groupes et alg. de Lie, Chap. 4, 5, 6. (The group is defined in Planche II.)
%F A162193 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 A162193 nonn
%O A162193 0,2
%A A162193 _John Cannon_ and _N. J. A. Sloane_, Nov 30 2009