57448

Appears in sequences

• f-amicable numbers where f(n) = n-1.at n=11A066511
• Numbers n such that pi(n^2)=pi((n-k)^2)+n, where k=A000193(n).at n=44A137271
• a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.at n=46A244435
• a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.at n=47A244435
• a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.at n=48A244435
• a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.at n=49A244435
• a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.at n=50A244435
• a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.at n=51A244435
• a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.at n=52A244435