1472837domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = (2n+1)^(2n+1) mod 2^(2n+1).at n=10A178537Primes of the form (2n-1)^(2n-1) mod 2^(2n-1).at n=2A178966Prime numbersat n=112240