OFFSET
1,1
COMMENTS
Subsequence of A219726.
LINKS
Donovan Johnson, Table of n, a(n) for n = 1..1000
EXAMPLE
81: (x = 3, y = 3), 5041: (x = 17, y = 4).
MATHEMATICA
With[{nn=300}, Select[Flatten[Table[x^3+2y^3, {x, nn}, {y, nn}]], IntegerQ[ Sqrt[#]]&]//Union] (* Harvey P. Dale, Oct 24 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 26 2012
STATUS
approved