67138

Appears in sequences

• Greatest number having exactly n representations as ab+ac+bc with 0 < a < b < c.at n=31A094377
• a(n) = f(f(f(f(f(n))))), where f(n) is prime(n)-1.at n=11A141139
• a(n) = prime(prime(prime(prime(prime(prime(n)-1)-1)-1)-1)-1)-1, where prime(n) is the n-th prime.at n=5A141185
• a(n) = prime(prime(prime(prime(n) - 1) - 1) - 1) - 1, where prime(n) is the n-th prime.at n=35A141217