Number of reduced words of length n in the Weyl group D_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) =13716314a(15) =24553984a(16) =42632448a(17) =71994624a(18) =118534456a(19) =190669584a(20) =300196001a(21) =463355582a(22) =702148097a(23) =1045918928a(24) =1533251980a(25) =2214194008a(26) =3152831605a(27) =4430235278a(28) =6147776297