Growth series for affine Coxeter group B_12.

Terms

a(0) =1a(1) =13a(2) =90a(3) =443a(4) =1741a(5) =5811a(6) =17109a(7) =45577a(8) =111852a(9) =256282a(10) =553866a(11) =1138110a(12) =2237924a(13) =4233126a(14) =7735923a(15) =13707967a(16) =23625303a(17) =39706809a(18) =65225654a(19) =104927954a(20) =165588279a(21) =256738054a(22) =391610309a(23) =588352779a(24) =871571154a(25) =1274275456a(26) =1840315206a(27) =2627403376a(28) =3710845242a(29) =5188106314