77109375

Appears in sequences

• Expansion of bracket function.at n=26A000750
• Row sums of convolution triangle A030523.at n=14A039717
• Expansion of (1+x)*(1+2*x)*(1-x)/(1-5*x^2+5*x^4).at n=28A217777
• a(n) = Sum_{k>=0} (-1)^k*binomial(n,5*k+4).at n=30A289389