G.f.: x/exp( Sum_{n>=1} a(n)*x^n/n ) = Sum_{n>=1} moebius(n)*x^n.

Terms

a(0) =1a(1) =3a(2) =4a(3) =11a(4) =11a(5) =30a(6) =43a(7) =83a(8) =121a(9) =243a(10) =386a(11) =710a(12) =1158a(13) =2061a(14) =3464a(15) =6099a(16) =10354a(17) =18057a(18) =30857a(19) =53471a(20) =91711a(21) =158634a(22) =272666a(23) =470750a(24) =810061a(25) =1397438a(26) =2406226a(27) =4149037a(28) =7146819a(29) =12319860