OFFSET
1,3
MATHEMATICA
Union[Flatten[Differences/@Subsets[Drop[LinearRecurrence[{1, 1, 1}, {0, 0, 1}, 16], 2], {2}]]] (* James C. McMahon, Jun 22 2024 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jonathan Vos Post, Oct 19 2005
STATUS
approved