117811domain: NPropertiesPrimalityPrimeyesAppears in sequencesFloor[ concatenation of n+2, n+1 and n divided by 3 ].at n=33A075004Primes of the form abcdabcd..abcdab.at n=13A187114Partial sums of A008531, or crystal ball sequence for {A_4}* lattice.at n=17A222408Prime numbersat n=11117