56906

Appears in sequences

• Nim product 2^n * 2^n.at n=15A006017
• Numbers k such that (k+3, k+5, k+17, k+257, k+65537) are all primes.at n=34A063799
• Numbers n such that phi(phi(n)) + sigma(sigma(n)) is a 4th power.at n=30A172464
• Number of 3X3X3 triangular 0..n arrays with every horizontal row having the same average value.at n=20A214596
• Number of irreducible packed words of length n.at n=7A232974
• Positive integers m such that pi(m^3) = pi(j^3) + pi(k^3) for some 0 < j <= k < m.at n=35A262409