Irregular triangular array a(n,m) for third (k=3) convolution of Chebyshev's S(n,x) = U(n,x/2) polynomials, read by rows (n >=0, 0 <= m <= floor(n/2)).

A128505

Irregular triangular array a(n,m) for third (k=3) convolution of Chebyshev's S(n,x) = U(n,x/2) polynomials, read by rows (n >=0, 0 <= m <= floor(n/2)).

Terms

    a(0) =1a(1) =4a(2) =10a(3) =-4a(4) =20a(5) =-20a(6) =35a(7) =-60a(8) =10a(9) =56a(10) =-140a(11) =60a(12) =84a(13) =-280a(14) =210a(15) =-20a(16) =120a(17) =-504a(18) =560a(19) =-140a(20) =165a(21) =-840a(22) =1260a(23) =-560a(24) =35a(25) =220a(26) =-1320a(27) =2520a(28) =-1680a(29) =280

External references