6497407

Appears in sequences

• Number of pairs of twin primes whose smaller element is <= 10^n-th prime.at n=7A049035
• Number of pairs of twin primes <= 10^n-th prime.at n=7A093683
• Expansion of (1 - 2*x - sqrt(1 - 8*x + 8*x^2))/(2*x*(1-x)).at n=10A174347