472597domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that 1000p+1, 1000p+3, 1000p+7 and 1000p+9 are prime.at n=18A242562p-INVERT of the odd positive integers, where p(S) = 1 + S - S^2.at n=16A292484Prime numbersat n=39433