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

Terms

a(0) =1a(1) =1a(2) =2a(3) =7a(4) =14a(5) =36a(6) =90a(7) =213a(8) =520a(9) =1271a(10) =3082a(11) =7493a(12) =18238a(13) =44324a(14) =107782a(15) =262142a(16) =637368a(17) =1549870a(18) =3768886a(19) =9164499a(20) =22285034a(21) =54190024a(22) =131771616a(23) =320424614a(24) =779166270a(25) =1894671121a(26) =4607207304a(27) =11203190618a(28) =27242414612a(29) =66244451632