Numerator of P(n)/Q(n) = A000041(n)/A000009(n).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =3a(8) =11a(9) =15a(10) =21a(11) =14a(12) =77a(13) =101a(14) =135a(15) =176a(16) =231a(17) =297a(18) =385a(19) =245a(20) =627a(21) =198a(22) =1002a(23) =1255a(24) =1575a(25) =979a(26) =812a(27) =1505a(28) =1859a(29) =4565