OFFSET
0,2
COMMENTS
The x values are in A188948.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Chris Busenhart, Lorenz Halbeisen, Norbert Hungerbühler, Oliver Riesen, On primitive solutions of the Diophantine equation x^2+ y^2= M, Eidgenössische Technische Hochschule (ETH Zürich, Switzerland, 2020).
MATHEMATICA
Table[Select[PowersRepresentations[13^n, 2, 2], CoprimeQ @@ # &][[1, 2]], {n, 0, 30}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Apr 10 2011
EXTENSIONS
Edited by T. D. Noe, Apr 14 2011
STATUS
approved