OFFSET
1,1
LINKS
T. D. Noe, Table of n, a(n) for n=1..300
FORMULA
5 = 1^2 + 2^2.
MATHEMATICA
f=Table[Fibonacci[i], {i, 1, 100}]; g=Union[Flatten[Table[f[[i]]^2+f[[j]]^2, {i, 1, 80}, {j, 1, 80}]]]; Table[g[[Select[Range[400], PrimeQ[g[[#]]]&]]]] (* Vincenzo Librandi, Jul 13 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved