11584987domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of g.f. x*(x^4 - 5*x^3 + 10*x^2 - 12*x + 4)/((1-x)^2*(1 - 3*x + 2*x^2 - x^3)).at n=19A129080Prime numbersat n=762553