266269domain: NPropertiesPrimalityPrimeyesAppears in sequencesLucky numbers that are decimal concatenations of n with n + 3.at n=25A032653a(n) = floor(a(n-1)*3/2) bitwise-OR LSB(a(n-1)*n), with a(1)=2 (LSB = Least Significant Bit).at n=29A333589Primes having only {2, 6, 9} as digits.at n=35A385788Prime numbersat n=23334