75898

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=19A056993
• Numbers k such that k^524288 + 1 is prime.at n=1A243959
• Least inverse of A073454: Smallest m such that m divided by the primes up to m have exactly n repeated residues.at n=33A274320
• p-INVERT of (n^3), where p(S) = 1 - S - S^2.at n=6A289799