OFFSET
1,2
MATHEMATICA
FixedPoint[Complement[Range@100, Flatten@Outer[Plus, #^2, #^2, #^2]] &, {}] (* Ivan Neretin, Feb 15 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected, more terms added by Ivan Neretin, Feb 16 2016
STATUS
approved