71371

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 97 ones.at n=0A031865
• a(n) = Sum_{k=1..n} (n/gcd(k,n))^(gcd(k,n) - 1).at n=29A342421
• Smallest semiprime p1*p2 such that p2 mod p1 = n and no prime is used more than once in the sequence.at n=31A386256