Number of reduced words of length n in the Weyl group B_14.

Terms

a(0) =1a(1) =14a(2) =104a(3) =546a(4) =2274a(5) =7994a(6) =24647a(7) =68392a(8) =173978a(9) =411332a(10) =913445a(11) =1921218a(12) =3852849a(13) =7407596a(14) =13716315a(15) =24553998a(16) =42632552a(17) =71995170a(18) =118536730a(19) =190677578a(20) =300220648a(21) =463423974a(22) =702322075a(23) =1046330260a(24) =1534165425a(25) =2216115226a(26) =3156684454a(27) =4437642874a(28) =6161492611a(29) =8455365296