784897domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 3*2^n*(2^n-1) + 1.at n=9A169726Primes p such that p+2^4, p+2^6, p+2^8, p+2^10 and p+2^12 are all primes.at n=23A269259Prime numbersat n=62832