53286

Appears in sequences

• Numbers k such that phi(k) | sigma_10(k).at n=25A015768
• Indices of primes in sequence defined by A(0) = 29, A(n) = 10*A(n-1) - 51 for n > 0.at n=19A101956
• Expansion of ((1 + 4*x)/(1 - 4*x))^(3/4).at n=8A304941