Expansion of 1/(1 - 4*x^2/(1-x))^(5/2).

Terms

a(0) =1a(1) =0a(2) =10a(3) =10a(4) =80a(5) =150a(6) =640a(7) =1550a(8) =5190a(9) =13870a(10) =41912a(11) =115650a(12) =333490a(13) =925970a(14) =2607540a(15) =7220062a(16) =20053700a(17) =55230870a(18) =152005380a(19) =416295350a(20) =1137980678a(21) =3100453710a(22) =8429823180a(23) =22862244210a(24) =61882724100a(25) =167159512794a(26) =450739897980