1000110101domain: NAppears in sequencesPrimes consisting only of digits 0 and 1 occurring with equal frequency.at n=3A087510Emirps with digits 0 and 1 only.at n=4A155512Lesser of emirps (pairs) with digits 0 and 1 only.at n=2A155513Primes made up of 0's and five 1's only.at n=16A383918