335209825828domain: NAppears in sequencesa(n) = Sum_{k=0..n} (-1)^k * binomial(n+2*k-1,n-k) * Fibonacci(k+1).at n=30A390854a(n) = Sum_{k=0..n} (-1)^k * binomial(n+2*k+1,n-k) * Fibonacci(k+1).at n=29A390856a(n) = Sum_{k=0..n} (-1)^k * binomial(n+2*k+5,n-k) * Fibonacci(k+1).at n=27A390858