186023729domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 3^n reduced modulo 2^n.at n=28A0023809^n mod 4^n.at n=14A139729Primes of the form 3^k mod 2^k, in the order in which they are found.at n=6A178985Prime numbersat n=10346765