1,2

If n belongs to this sequence, then so does (2^(n^2)+1)/n^2.

Discussion at MathLinks forum

Cf. A006521, A093546, A093665.

Sequence in context: A012204 A000281 A086220 this_sequence A134723 A133060 A037107

Adjacent sequences: A127260 A127261 A127262 this_sequence A127264 A127265 A127266

nonn

Max Alekseyev (maxale(AT)gmail.com), Mar 27 2007, Mar 29 2007, Apr 18 2007

a(7) from Ryan Propper (rpropper(AT)cs.stanford.edu), Jan 01 2008