97428

Appears in sequences

• Denominators of continued fraction convergents to sqrt(530).at n=3A042013
• a(n) = n*(n+1)*(2*n^2+1)/6.at n=23A071238
• a(1) = 1; a(n) = Sum_{d|n, d < n} binomial(n,d) * a(d).at n=11A345136