67217

Properties

Appears in sequences

• Number n-cyclic graphs.at n=13A081809
• a(1) = 2, a(2n) = smallest prime of the form k*a(2n-1) +1, k >1, a(2n+1) = smallest prime of the form r*a(2n)-1, r >1.at n=5A085871
• Largest of six consecutive primes the sum of the digits of each of which is prime.at n=31A106720
• Largest of seven consecutive primes whose sum of digits is prime.at n=11A106721
• Largest prime of the set of five consecutive primes whose sum of digits is a set of five distinct primes.at n=10A106815
• Prime quadruples: 3rd term.at n=28A136721
• G.f. satisfies A(x) = 1 + x*A(x) * (1 + x*A(x)^2)^3.at n=8A367261
• Prime numbersat n=6698