Irregular triangle read by rows: coefficients of U(n,x), Chebyshev polynomials of the second kind with exponents in decreasing order.

A133156

Irregular triangle read by rows: coefficients of U(n,x), Chebyshev polynomials of the second kind with exponents in decreasing order.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =-1a(4) =8a(5) =-4a(6) =16a(7) =-12a(8) =1a(9) =32a(10) =-32a(11) =6a(12) =64a(13) =-80a(14) =24a(15) =-1a(16) =128a(17) =-192a(18) =80a(19) =-8a(20) =256a(21) =-448a(22) =240a(23) =-40a(24) =1a(25) =512a(26) =-1024a(27) =672a(28) =-160a(29) =10

External references