571199domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 32*k-1 such that 4*k-1, 8*k-1 and 16*k-1 are also primes.at n=10A101798Triple-safe primes p: p, (p-1)/2, (p-3)/4, and (p-7)/8 are all prime.at n=31A157358Numbers n such that (7^n - 4^n)/3 is prime.at n=10A213073Prime numbersat n=46918