647809

Properties

Appears in sequences

• Diagonal of triangular array in A079520.at n=12A079522
• Primes from merging of 6 successive digits in decimal expansion of the Golden Ratio; (1+sqrt(5))/2.at n=19A103808
• a(n) = n! * Sum_{k=0..floor(n/3)} n^k * binomial(n-2*k,k)/(n-2*k)!.at n=8A362301
• Prime numbersat n=52661