Growth series for affine Coxeter group B_4.

Terms

a(0) =1a(1) =5a(2) =14a(3) =31a(4) =59a(5) =101a(6) =161a(7) =243a(8) =351a(9) =488a(10) =658a(11) =865a(12) =1112a(13) =1403a(14) =1741a(15) =2130a(16) =2574a(17) =3077a(18) =3643a(19) =4274a(20) =4974a(21) =5747a(22) =6597a(23) =7528a(24) =8543a(25) =9646a(26) =10840a(27) =12129a(28) =13517a(29) =15007