699073domain: NPropertiesPrimalityPrimeyesAppears in sequencesG.f. A(x) = Sum_{n>=0} a(n)*x^n/2^(n*(n-1)/2) satisfies: A(x) = Sum_{n>=0} A(x)^n*x^n/2^(n*(n-1)/2).at n=6A118410a(n) = A063776(n) + 1.at n=23A283843a(n) = A063776(2*n) + 1.at n=11A283844Prime numbersat n=56477