184309

Properties

Appears in sequences

• Numerator of Sum_{k=1..n} frac(n/k), where frac(x/y) denotes the fractional part of x/y.at n=15A075710
• Number of (n+1)X(n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=10A250652
• Prime numbersat n=16690