13171875
domain: N
Appears in sequences
- Second binomial transform of F(n+1).at n=13A081567
- Expansion of ((1+x)^3 - x^3)/((1+x)^5 - x^5).at n=26A105369
- Number of paths of length n starting at initial node of the path graph P_9.at n=27A178381
- a(n) = (3-sqrt(5))*((3+sqrt(5))/10)^(-n)/2 + (3+sqrt(5))*((3-sqrt(5))/10)^(-n)/2.at n=6A179135
- a(n) = Sum_{k>=0} (-1)^k*binomial(n,5*k+3).at n=27A289388
- a(n) = Sum_{k>=0} (-1)^k*binomial(n,5*k+4).at n=27A289389