Expansion of (1+5x+sqrt(1+2x+9x^2))/(2(1+2x)).

Terms

a(0) =1a(1) =1a(2) =0a(3) =-2a(4) =2a(5) =6a(6) =-18a(7) =-6a(8) =114a(9) =-146a(10) =-490a(11) =1794a(12) =266a(13) =-12986a(14) =20958a(15) =56778a(16) =-255774a(17) =39390a(18) =1853478a(19) =-3687918a(20) =-7441158a(21) =42252726a(22) =-20345490a(23) =-293463462a(24) =708206802a(25) =1002083406a(26) =-7527677898a(27) =6140678434a(28) =48978210794a(29) =-142206136026