571845

Appears in sequences

• a(0)=1. a(n) = a(n-1) + (largest integer occurring among {a(0),a(1),a(2),...,a(n-1)} that is coprime to n).at n=28A120938
• a(n) is the largest number in the n-th row of triangle A140997.at n=21A141018
• a(n) is the number of nonnegative integers that can be represented by lighting only n segments on a 9-segment display, used by the Russian postal service.at n=28A350177