2786599

Appears in sequences

• Numerator of Sum_{k=0..n} 1/binomial(n,k).at n=21A046825
• Numerator of (1/n)*Sum_{k=0..n-1} 1/binomial(n-1,k) for n>0 else 0.at n=22A046878
• Numerator of Sum_{k=0..n} 1/C(2*n, 2*k).at n=10A100512
• Numerator of Sum_{k=0..[n/2]} 1/binomial(n,k).at n=21A100560
• Numerators of b(n) = b(n-1)/2 + 1/(2*n), b(0)=0.at n=22A242376