212601841

Properties

Appears in sequences

• Cyclotomic polynomials at x=11.at n=20A019329
• Cyclotomic polynomials at x=-11.at n=20A020510
• a(n) = n^8 - n^6 + n^4 - n^2 + 1.at n=11A060892
• Largest prime factor of 11^n+1 (A034524).at n=10A062308
• Primes of the form sigma_4(k)/sigma_2(k), arising in A066109.at n=11A066110
• a(n) = sigma_4(n^4)/sigma_2(n^4).at n=10A077457
• Greatest prime factor of n^10+1.at n=10A240553
• Primes of the form n^4 - n^3 + n^2 - n + 1.at n=23A259257
• Primes of the form 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=11A259412
• Largest prime factor of 11^n - 1.at n=19A274910
• Primes of the form Phi(k, -11), where Phi is the cyclotomic polynomial.at n=3A291913
• a(n) is the largest prime factor of n^n + n.at n=10A372228
• Smallest primitive prime factor of 11^n-1.at n=19A379644
• Prime numbersat n=11737226