69721

Appears in sequences

• Strong pseudoprimes to base 52.at n=24A020278
• Numerators of continued fraction convergents to sqrt(875).at n=14A042690
• a(n) = prime(n) * prime(prime(n)).at n=29A073065
• Let f(p,i) = smallest prime m >= p such that m == i (mod p); a(n) = Sum_{i=0..p-1} f(p,i), where p = n-th prime.at n=29A243076
• E.g.f. satisfies A(x) = exp(x - x^3 * A(x)^3).at n=7A362481