A219728 Squares of the form x^3 + 2*y^3, with x, y > 0.

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

Author

Zak Seidov, Nov 26 2012

Keywords

• nonn

Comments

Subsequence of A219726.

Examples

			81: (x = 3, y = 3), 5041: (x = 17,  y = 4).
		

Links

• Donovan Johnson, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A173587, A219722, A219725, A219726.

Programs

Mathematica

With[{nn=300},Select[Flatten[Table[x^3+2y^3,{x,nn},{y,nn}]],IntegerQ[ Sqrt[#]]&]//Union] (* Harvey P. Dale, Oct 24 2018 *)