12148537

Properties

Appears in sequences

• a(n) = largest prime in the factorization of n-th Franel number (A000172).at n=13A058854
• Least prime divisor of Fr(n) which does not divide any Fr(k) with k < n, or 1 if such a primitive prime divisor of Fr(n) does not exist, where Fr(n) denotes the n-th Franel number given by A000172.at n=13A242169
• Prime numbersat n=797162