Growth series for affine Coxeter group (or affine Weyl group) D_4.

Terms

a(0) =1a(1) =5a(2) =14a(3) =32a(4) =63a(5) =110a(6) =179a(7) =274a(8) =398a(9) =557a(10) =754a(11) =993a(12) =1280a(13) =1618a(14) =2011a(15) =2464a(16) =2981a(17) =3566a(18) =4224a(19) =4959a(20) =5774a(21) =6675a(22) =7666a(23) =8750a(24) =9933a(25) =11218a(26) =12609a(27) =14112a(28) =15730a(29) =17467