5046875000

Appears in sequences

• Scaled Chebyshev U-polynomial evaluated at sqrt(5)/2.at n=17A030191
• Binomial transform of Fibonacci(2n).at n=18A093131
• Expansion of ((1+x)^3 - x^3)/((1+x)^5 - x^5).at n=35A105369
• a(n) = Sum_{k = 1..2*n} binomial(2*n,k) * Fibonacci(2*k).at n=9A219462