Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1 + 2*x - x^2)^(n + 1)*Sum_{j >= 0} (j+1)^n*(-2*x + x^2)^j.

A156901

Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1 + 2*x - x^2)^(n + 1)*Sum_{j >= 0} (j+1)^n*(-2*x + x^2)^j.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =-2a(4) =1a(5) =1a(6) =-8a(7) =8a(8) =-4a(9) =1a(10) =1a(11) =-22a(12) =55a(13) =-52a(14) =23a(15) =-6a(16) =1a(17) =1a(18) =-52a(19) =290a(20) =-472a(21) =394a(22) =-188a(23) =50a(24) =-8a(25) =1a(26) =1a(27) =-114a(28) =1265a(29) =-3624

External references