Number triangle associated to Chebyshev polynomials of first kind.

Terms

a(0) =1a(1) =0a(2) =1a(3) =-1a(4) =1a(5) =1a(6) =0a(7) =1a(8) =2a(9) =1a(10) =1a(11) =1a(12) =7a(13) =3a(14) =1a(15) =0a(16) =1a(17) =26a(18) =17a(19) =4a(20) =1a(21) =-1a(22) =1a(23) =97a(24) =99a(25) =31a(26) =5a(27) =1a(28) =0a(29) =1