144146831domain: NPropertiesPrimalityPrimeyesAppears in sequencesG.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^n * Sum_{k=0..n} binomial(n,k)^2 * x^k*(1-x)^(n-k).at n=15A227824Prime numbersat n=8133253