Growth series for affine Coxeter group (or affine Weyl group) D_5.

Terms

a(0) =1a(1) =6a(2) =20a(3) =51a(4) =111a(5) =216a(6) =386a(7) =646a(8) =1026a(9) =1560a(10) =2287a(11) =3251a(12) =4500a(13) =6086a(14) =8066a(15) =10502a(16) =13460a(17) =17011a(18) =21231a(19) =26200a(20) =32002a(21) =38726a(22) =46466a(23) =55320a(24) =65391a(25) =76787a(26) =89620a(27) =104006a(28) =120066a(29) =137926