OFFSET
0,2
COMMENTS
Corresponding values of x: 0,1,3,5,15,38,75,190,375,950,1875,4750,10296 (A236571).
MATHEMATICA
m = 30; Join[{1, 2}, Table[Reduce[{5^n== x^2+y^2, 0 ≤ x ≤ y}, {x, y}, Integers][[-1, 1, 2]], {n, 2, m}]]
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Jan 29 2014
STATUS
approved