211313

Properties

Appears in sequences

• a(n+1) = a(n) converted to base 10 from base 9 (written in base 10).at n=52A023392
• Xmas tree primes.at n=40A195302
• Starting with a(1) = 3, a(2) = 5, a(n+1) is the smallest prime number greater than the previous term a(n) such that there exists k satisfying 1<=k<n, a(n+1) = 2*a(n) - a(k).at n=27A238137
• Primes of the form (2*p^2 + 1)/3 where p is a prime > 3.at n=28A362225
• Prime numbersat n=18920