6126818

Appears in sequences

• Expansion of (2/(3*sqrt(1-4*z)-1+4*z))*((1-sqrt(1-4*z))/(2*z))^k with k=7.at n=10A172064
• Number of 5 X n 0..1 arrays with rows unimodal and columns nondecreasing.at n=16A225012