OFFSET
1,1
COMMENTS
The corresponding y-values are in A230842.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200
EXAMPLE
a(3)=234 because 234^2+415^2=226981=61^3.
MATHEMATICA
Table[Select[PowersRepresentations[61^n, 2, 2], CoprimeQ[#[[1]], #[[2]]] &][[1, 1]], {n, 22}] (* T. D. Noe, Nov 04 2013 *)
Table[Select[PowersRepresentations[61^n, 2, 2], CoprimeQ@@#&][[1, 1]], {n, 1, 40}] (* Vincenzo Librandi, Mar 02 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Colin Barker, Oct 31 2013
EXTENSIONS
a(10) and a(20) corrected by Zak Seidov, Nov 02 2013
STATUS
approved