26753

Appears in sequences

• Denominators of continued fraction convergents to sqrt(775).at n=9A042495
• Smallest denominator d such that the Sylvester expansion of n/d has n terms.at n=21A048860
• Reverse of smallest prime factor of k = largest prime factor of k+1; a(1)=1.at n=23A071392
• a(n) = 1 + n + ((n-1)*n^2)/2.at n=38A218152
• a(1)=1. Thereafter, a(n+1) is the greatest divisor of s(n) which is prime to a(n), where s(n) is the n-th partial sum.at n=58A351743
• a(n) is the smallest m such that A144261(m) = n.at n=34A358067