117917domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes with all odd digits such that the next four primes also contain all odd digits.at n=18A068832Primes of the form 3n^3+5.at n=7A201115Recurrence a(1) = 1, a(2) = 5; a(n) = (a(n-1) + a(n-2))/GCD(a(n-1),a(n-2)) + 1.at n=40A349576Prime numbersat n=11128