Expansion of Sum_{k>=1} k^2*x^k^2/(1 - x^k^2) * Product_{k>=1} 1/(1 - x^k^2).

Terms

a(0) =1a(1) =2a(2) =3a(3) =8a(4) =10a(5) =12a(6) =14a(7) =24a(8) =36a(9) =40a(10) =44a(11) =60a(12) =78a(13) =84a(14) =90a(15) =128a(16) =153a(17) =180a(18) =190a(19) =240a(20) =273a(21) =308a(22) =322a(23) =384a(24) =475a(25) =520a(26) =567a(27) =644a(28) =754a(29) =810