Growth series for affine Coxeter group (or affine Weyl group) D_6.

Terms

a(0) =1a(1) =7a(2) =27a(3) =78a(4) =188a(5) =400a(6) =777a(7) =1406a(8) =2403a(9) =3917a(10) =6136a(11) =9293a(12) =13670a(13) =19603a(14) =27485a(15) =37773a(16) =50993a(17) =67744a(18) =88703a(19) =114628a(20) =146366a(21) =184857a(22) =231139a(23) =286352a(24) =351742a(25) =428669a(26) =518610a(27) =623164a(28) =744055a(29) =883138