435419domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(1) = 19 (the smallest prime ending in a 9) and a(n+1) = smallest prime ending in a(n).at n=4A069612a(1) = 19; thereafter a(n) = the smallest prime of the form d0...0a(n-1), where d is a single digit, or 0 if no such prime exists.at n=4A077716Prime numbersat n=36599