Expansion of 1/(1 - x*A001764(x/(1-x))/(1-x)).

Terms

a(0) =1a(1) =1a(2) =3a(3) =11a(4) =48a(5) =239a(6) =1306a(7) =7612a(8) =46436a(9) =292875a(10) =1894365a(11) =12496864a(12) =83753165a(13) =568628232a(14) =3902600850a(15) =27031069848a(16) =188709211952