194713

Properties

Appears in sequences

• Subdiagonal of square array A081297.at n=6A081301
• Numerator of sum_{k=1..n} 1/(k*H(k)) where H(k) is the harmonic number H(k) = sum_{j=1..n} 1/j.at n=5A234714
• Primes p for which p + 4, p^2 + 4 and p^3 + 4 are primes.at n=30A243734
• Primes of the form abs(-66n^3 + 3845n^2 - 60897n + 251831) in order of increasing nonnegative n.at n=1A272438
• Prime numbersat n=17549