428717761domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2^r * 11^s - 1.at n=16A077315Primes of the form 2*11^k-1.at n=1A120377a(n) = 2*11^n-1.at n=8A198974Prime numbersat n=22783651