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A025486 Least k with A025485(k) = n. 0

%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(n-1)^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

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Last modified October 18 10:53 EDT 2021. Contains 348067 sequences. (Running on oeis4.)