28539857

Appears in sequences

• Numerators of partial sums of Catalan numbers scaled by powers of 1/4.at n=13A120778
• Numerators in the expansion of (1-sqrt(1-x^2))/(1-x).at n=28A141244
• Numerators in the expansion of (1-sqrt(1-x^2))/(1-x).at n=29A141244