13555990529domain: NAppears in sequencesSmallest prime p such that both (p-1)/2^(2n-1) and 2^(2n-1)*p+1 are primes.at n=13A085832Sorted list of prime factors of numbers of the form 7^(2^m) + 2^(2^m) with m >= 0.at n=28A294134