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A230759
Values of x such that x^2 + y^2 = 53^n with x and y coprime and 0 < x < y.
4
2, 28, 259, 1241, 3647, 14715, 399301, 4810319, 34161842, 146769868, 244200526, 4359995640, 73982566838, 804676166812, 4381447604821, 15981352647839, 8477785985767, 965700694136205, 13070487060661219, 114948480102611400, 541029996598203398
OFFSET
1,1
COMMENTS
The corresponding y-values are in A230760.
LINKS
EXAMPLE
a(3)=259 because 259^2+286^2=148877=53^3.
MATHEMATICA
Table[Select[PowersRepresentations[53^n, 2, 2], CoprimeQ@@#&][[1, 1]], {n, 1, 40}] (* Vincenzo Librandi, Mar 02 2014 *)
KEYWORD
nonn
AUTHOR
Colin Barker, Oct 29 2013
STATUS
approved