-13266domain: ZAppears in sequencesStirling1 transform of Catalan numbers: Sum_{k=0..n} Stirling1(n,k)*binomial(2*k,k)/(k+1).at n=10A086672Expansion of 1/(theta_3(q) * theta_3(q^2)), where theta_3() is the Jacobi theta function.at n=25A320069