OFFSET
0,2
COMMENTS
If (2n+1)>5 is not divisible by 5 and (2n+1) divides a(n) then (2n+1) is often prime. What is the set of exceptions?
MATHEMATICA
Table[Sum[Fibonacci[n+k]*Binomial[n+k, k], {k, 0, n}], {n, 0, 18}] (* James C. McMahon, Sep 16 2024 *)
PROG
(PARI) a(n)=sum(k=0, n, binomial(n+k, k)*fibonacci(n+k))
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, May 21 2006
STATUS
approved