48594

Appears in sequences

• a(n) is the smallest k >= 2 such that k^(2^n)+1 is prime, or -1 if no such k exists.at n=16A056993
• Numbers b such that b^65536 + 1 is prime.at n=1A251597
• a(n) is the denominator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears as the image of a simple random walk on the square lattice.at n=25A368001
• Denominator of the greatest probability that a particular fixed polyomino with n cells appears as the image of a simple random walk on the square lattice.at n=5A368005