Number of reduced words of length n in the Weyl group A_16.

Terms

a(0) =1a(1) =16a(2) =135a(3) =799a(4) =3723a(5) =14536a(6) =49436a(7) =150349a(8) =416687a(9) =1067345a(10) =2554607a(11) =5762643a(12) =12337630a(13) =25214332a(14) =49424984a(15) =93299841a(16) =170193528a(17) =300895513a(18) =516904159a(19) =864758855a(20) =1411630172a(21) =2252360038a(22) =3518118738a(23) =5386799571a(24) =8095202359a(25) =11952961920a(26) =17358056824a(27) =24813588893