Poincaré series [or Poincare series] P(C_{4,2}; x).

Terms

a(0) =1a(1) =2a(2) =6a(3) =14a(4) =34a(5) =68a(6) =144a(7) =276a(8) =534a(9) =974a(10) =1774a(11) =3106a(12) =5410a(13) =9146a(14) =15334a(15) =25158a(16) =40884a(17) =65264a(18) =103204a(19) =160808a(20) =248222a(21) =378350a(22) =571534a(23) =853890a(24) =1264962a(25) =1855638a(26) =2700490a(27) =3895626a(28) =5577846a(29) =7923072