An inverse Chebyshev transform of (1-x)^2.

Terms

a(0) =1a(1) =-2a(2) =2a(3) =-4a(4) =5a(5) =-10a(6) =14a(7) =-28a(8) =42a(9) =-84a(10) =132a(11) =-264a(12) =429a(13) =-858a(14) =1430a(15) =-2860a(16) =4862a(17) =-9724a(18) =16796a(19) =-33592a(20) =58786a(21) =-117572a(22) =208012a(23) =-416024a(24) =742900a(25) =-1485800a(26) =2674440a(27) =-5348880a(28) =9694845a(29) =-19389690