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A219728
Squares of the form x^3 + 2*y^3, with x, y > 0.
3
81, 5041, 5184, 10000, 46225, 59049, 77841, 83521, 322624, 331776, 640000, 685584, 707281, 1265625, 2958400, 3157729, 3418801, 3674889, 3779136, 4157521, 4981824, 5345344, 5602689, 5736025, 7290000, 9150625, 9529569, 10725625, 12257001, 14776336, 15904144
OFFSET
1,1
COMMENTS
Subsequence of A219726.
LINKS
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