OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[2 * Range[0, 200], Length @ PowersRepresentations[#, 2, 2] == 1 &] (* Amiram Eldar, Mar 12 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Nov 16 2006, corrected Nov 18 2006
STATUS
approved