0,2

For n >= 3, a(n) = a(n-1)^2/4+1.

Conjecture: a(n)=A006892(n+2)+3 for n>=2. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 23 2007

Sequence in context: A166388 A066872 A063478 this_sequence A128665 A054298 A022094

Adjacent sequences: A025483 A025484 A025485 this_sequence A025487 A025488 A025489

nonn

David W. Wilson (davidwwilson(AT)comcast.net)