Triangle of coefficients in expansion of (x-1)*(x-3)*(x-5)*...*(x-(2*n-1)).

Terms

a(0) =1a(1) =-1a(2) =1a(3) =3a(4) =-4a(5) =1a(6) =-15a(7) =23a(8) =-9a(9) =1a(10) =105a(11) =-176a(12) =86a(13) =-16a(14) =1a(15) =-945a(16) =1689a(17) =-950a(18) =230a(19) =-25a(20) =1a(21) =10395a(22) =-19524a(23) =12139a(24) =-3480a(25) =505a(26) =-36a(27) =1a(28) =-135135a(29) =264207