Search: id:A025486
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%I A025486
%S A025486 0,5,10,26,170,7226,13053770,42600227803226,453694852221687377444001770,
%T A025486 51459754733114686962148583993443846186613037940783226
%N A025486 Least k with A025255(k) = n.
%F A025486 For n >= 3, a(n) = a(n-1)^2/4+1.
%F A025486 Conjecture: a(n)=A006892(n+2)+3 for n>=2. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Apr 23 2007
%Y A025486 Sequence in context: A166388 A066872 A063478 this_sequence A128665 A054298 
               A022094
%Y A025486 Adjacent sequences: A025483 A025484 A025485 this_sequence A025487 A025488 
               A025489
%K A025486 nonn
%O A025486 0,2
%A A025486 David W. Wilson (davidwwilson(AT)comcast.net)

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