4278255361

Appears in sequences

• Largest prime factor of 16^n + 1.at n=10A002590
• 10th cyclotomic polynomial evaluated at powers of 2.at n=8A020518
• a(n) = n^8 - n^6 + n^4 - n^2 + 1.at n=16A060892
• a(n) is the least prime such that the multiplicative order of 4 mod a(n) equals n.at n=39A112092
• Primes which divide none of overpseudoprimes to base 2 (A141232).at n=37A144755
• Aurifeuillian primes of the form 2^k+1.at n=21A153443
• Primes in A153601.at n=32A153602
• Primes of the form Phi(phi(k),2), the phi(k)-th cyclotomic polynomial evaluated at 2, where phi is the Euler totient function.at n=15A211876
• Greatest prime factor of n^10+1.at n=15A240553
• Primes of the form 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=21A259412
• Largest prime factor of 4^n + 1.at n=20A274903
• Johnson's non-Wieferich numbers of the first kind.at n=13A281728
• Prime divisors of 2^720 - 1.at n=32A291360
• Primes of the form Phi(k, -4), where Phi is the cyclotomic polynomial.at n=7A292003
• Primes of the form Phi(k, 4), where Phi is the cyclotomic polynomial.at n=9A292008