118057

Properties

Appears in sequences

• Primes whose base-7 representation also is the base-3 representation of a prime.at n=36A235470
• Number of nX3 nonnegative integer arrays with upper left 0 and lower right n+3-5 and value increasing by 0 or 1 with every step right or down.at n=9A252971
• Primes k such that the concatenation of (b, k, b) and (k, b, k) are both prime, where b is the binary representation of k.at n=32A389801
• Prime numbersat n=11140