62277025792domain: NAppears in sequencesCoefficients of Chebyshev polynomials: n*(2*n-3)*2^(2*n-5).at n=14A002698Expansion of (1 + 2*x)^2/(1 - 2*x)^2.at n=29A241204Denominators of coefficients in the asymptotic expansion of the logarithm of the central binomial coefficient.at n=14A275995