A number triangle associated with the Chebyshev polynomials of the first kind.

Terms

a(0) =1a(1) =2a(2) =1a(3) =2a(4) =3a(5) =1a(6) =2a(7) =7a(8) =4a(9) =1a(10) =2a(11) =18a(12) =14a(13) =5a(14) =1a(15) =2a(16) =47a(17) =52a(18) =23a(19) =6a(20) =1a(21) =2a(22) =123a(23) =194a(24) =110a(25) =34a(26) =7a(27) =1a(28) =2a(29) =322