OFFSET
1,1
COMMENTS
The difference L(i)-L(j) equals the sum L(j+1)+...+L(i+2).
LINKS
T. D. Noe, Table of n, a(n) for n=1..1000
EXAMPLE
The prime 181 is here because it is L(11)-L(6).
MATHEMATICA
Lucas[n_] := Fibonacci[n+1]+Fibonacci[n-1]; lst={}; Do[p=Lucas[n]-Lucas[i]; If[PrimeQ[p], AppendTo[lst, p]], {n, 2, 40}, {i, 0, n-2}]; Union[lst]
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, Oct 17 2005
STATUS
approved