11341398017domain: NAppears in sequencesSmallest prime of the form (k^2 * 2^n + 1).at n=25A122912Primes of the form 2^r * 13^s + 1.at n=16A173236Primes of the form 2^(n-1)*(n+1)^2-(-1)^n.at n=12A216428