511039domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) is the smallest prime of the form Q + c, where Q is the n-th primorial and c is a composite >= prime(n+1)^2.at n=6A038773G.f. satisfies: A(x) = x^3 - x + Series_Reversion(x - x*A(x)).at n=15A212919Prime numbersat n=42368