Poincaré series [or Poincare series] P(C_{6,2}(0); t).

Terms

a(0) =1a(1) =0a(2) =3a(3) =4a(4) =12a(5) =20a(6) =52a(7) =84a(8) =198a(9) =352a(10) =730a(11) =1332a(12) =2648a(13) =4808a(14) =9232a(15) =16780a(16) =31227a(17) =56312a(18) =102641a(19) =182808