2413941289

Appears in sequences

• Largest prime factor of 3^(2n+1) - 1.at n=16A002591
• Cyclotomic polynomials at x=3.at n=33A019321
• Largest prime factor of 3^n - 1.at n=32A074477
• a(n) is the least prime such that the multiplicative order of 3 mod a(n) equals n, or a(n)=1 if no such prime exists.at n=32A143663
• Primes of the form Phi_k(3), the k-th cyclotomic polynomial evaluated at 3.at n=16A211874
• Largest prime factor of 9^n - 1.at n=32A274909
• Primes of the form Phi(k, -3), where Phi is the cyclotomic polynomial.at n=19A292004
• Primes of the form Phi(k, 3), where Phi is the cyclotomic polynomial.at n=13A292007