Numerators in expansion of (1-x)^{-1/4}.

Terms

a(0) =1a(1) =1a(2) =5a(3) =15a(4) =195a(5) =663a(6) =4641a(7) =16575a(8) =480675a(9) =1762475a(10) =13042315a(11) =48612265a(12) =729183975a(13) =2748462675a(14) =20809788825a(15) =79077197535