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

Terms

a(0) =1a(1) =3a(2) =10a(3) =27a(4) =66a(5) =156a(6) =365a(7) =843a(8) =1909a(9) =4238a(10) =9274a(11) =20136a(12) =43564a(13) =94013a(14) =202155a(15) =432475a(16) =919820a(17) =1945767a(18) =4098852a(19) =8610922a(20) =18061277a(21) =37844128a(22) =79212323a(23) =165565920a(24) =345412341a(25) =719047566a(26) =1493488927a(27) =3095654281a(28) =6405734456a(29) =13238611241