478099

Properties

Appears in sequences

• Doubly balanced primes: primes which are averages of both their immediate and their second neighbors.at n=27A051795
• Numerators in expansion of (1+x-sqrt(1-x^2))/(x(1-x)).at n=19A141245
• Numerators in expansion of (1+x-sqrt(1-x^2))/(x(1-x)).at n=20A141245
• The number of n-free abundant numbers below the least number k that is not n-free whose sum of n-free divisors is larger than 2*k.at n=9A387155
• Prime numbersat n=39856