OFFSET
1,2
EXAMPLE
50 is in this sequence because 7^2+1^7 = 50.
344 is in this sequence because 7^3+1^7 = 344.
MATHEMATICA
nn=100; Union[Select[Flatten[Table[7^x + y^7, {x, 0, nn}, {y, 0, nn}]], #<=nn^7 &]]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Nov 27 2014
STATUS
approved