2385443281domain: NAppears in sequencesa(n) = (10*n + 1)^4.at n=22A017284a(n) = (11*n + 1)^4.at n=20A017404a(n) = (12*n + 5)^4.at n=18A017584Fourth powers that become prime when their most significant (leftmost) decimal digit is removed.at n=13A226092