Poincaré series [or Poincare series] P(C_{5,2}(0); t).

Terms

a(0) =1a(1) =0a(2) =3a(3) =4a(4) =12a(5) =20a(6) =45a(7) =80a(8) =168a(9) =296a(10) =573a(11) =1012a(12) =1874a(13) =3268a(14) =5824a(15) =10020a(16) =17338a(17) =29308a(18) =49511a(19) =82168