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

Terms

a(0) =1a(1) =0a(2) =3a(3) =4a(4) =20a(5) =26a(6) =101a(7) =168a(8) =445a(9) =813a(10) =1804a(11) =3246a(12) =6527a(13) =11455a(14) =21193a(15) =36168a(16) =63077a(17) =104034a(18) =173255a(19) =277043a(20) =443629a(21) =689569a(22) =1068616a(23) =1618029a(24) =2438122a(25) =3605596a(26) =5300598a(27) =7674008a(28) =11039330a(29) =15676558