385728

Appears in sequences

• A triangular sequence of coefficients of a partition two types polynomials; of Chebyshev of the first kind polynomials (A053120) and Hermite polynomials (A060821): p(x,n) = T(x,n)*H(x,n).at n=55A137456
• G.f. A(x) satisfies A(x) = (1 + x)^2 + x*A(x)^4 / (1 + x)^3.at n=7A367641