516251

Properties

Appears in sequences

• Crystal ball sequence for A_4 lattice.at n=20A008384
• Primes of the form sigma(k) + tau(k) + phi(k), where sigma(k) = A000203(k), tau(k) = A000005(k) and phi(k) = A000010(k).at n=27A229266
• Prime numbersat n=42760