%I
%S 0,3,5,10,26,170,7226,13053770,42600227803226,
%T 453694852221687377444001770,
%U 51459754733114686962148583993443846186613037940783226
%N Least k with A025485(k) = n.
%F For n >= 4, a(n) = a(n1)^2/4+1.
%F Conjecture: a(n) = A006892(n+1)+3 for n >= 3.  _R. J. Mathar_, Apr 23 2007
%K nonn
%O 0,2
%A _David W. Wilson_
%E Title corrected and missing a(1)=3 inserted by _Sean A. Irvine_, Aug 31 2019
