Growth series for affine Coxeter group B_11.

Terms

a(0) =1a(1) =12a(2) =77a(3) =353a(4) =1298a(5) =4070a(6) =11298a(7) =28468a(8) =66275a(9) =144430a(10) =297584a(11) =584244a(12) =1099814a(13) =1995202a(14) =3502797a(15) =5972044a(16) =9917336a(17) =16081506a(18) =25518845a(19) =39702300a(20) =60660325a(21) =91149775a(22) =134872255a(23) =196742469a(24) =283218364a(25) =402704237a(26) =566039474a(27) =787087225a(28) =1083439094a(29) =1477253844