Growth series for affine Coxeter group B_9.

Terms

a(0) =1a(1) =10a(2) =54a(3) =211a(4) =669a(5) =1827a(6) =4456a(7) =9942a(8) =20637a(9) =40348a(10) =74999a(11) =133506a(12) =228910a(13) =379818a(14) =612207a(15) =961652a(16) =1476045a(17) =2218878a(18) =3273169a(19) =4746115a(20) =6774561a(21) =9531380a(22) =13232864a(23) =18147232a(24) =24604366a(25) =33006891a(26) =43842720a(27) =57699190a(28) =75278921a(29) =97417535