a(n) = S(n,5), where S(n,m) = Sum_{k=0..n} binomial(n,k)*Fibonacci(m*k).
A087453
a(n) = S(n,5), where S(n,m) = Sum_{k=0..n} binomial(n,k)*Fibonacci(m*k).
Terms
- a(0) =0a(1) =5a(2) =65a(3) =790a(4) =9555a(5) =115525a(6) =1396720a(7) =16886585a(8) =204161685a(9) =2468349470a(10) =29842764575a(11) =360804095305
External references
- oeis: A087453