-4389

Appears in sequences

• G.f. A(x) satisfies: A(x*(1+x)^3) = 1 + x.at n=6A171790
• T(n, k) = numerator([x^k] [z^n] ((1 - i*z)/(1 + i*z))^(i*x)*(1 + z^2)^(-3/4)). Numerators of the coefficients of the symmetric Meixner-Pollaczek polynomials P^(3/4)_{n}(x, Pi/2). Triangle read by rows, T(n, k) for 0 <= k <= n.at n=55A344909