Triangle of coefficients of Chebyshev polynomials T_n(x).

Terms

a(0) =1a(1) =1a(2) =-1a(3) =2a(4) =-3a(5) =4a(6) =1a(7) =-8a(8) =8a(9) =5a(10) =-20a(11) =16a(12) =-1a(13) =18a(14) =-48a(15) =32a(16) =-7a(17) =56a(18) =-112a(19) =64a(20) =1a(21) =-32a(22) =160a(23) =-256a(24) =128a(25) =9a(26) =-120a(27) =432a(28) =-576a(29) =256