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%I #8 Jul 06 2018 08:06:18
%S 0,0,0,0,0,-2,-3,-3,1,-72,3303,10788,287767,-2441508,41165366097,
%T 1073195273432754,155912367904160034530,3136560083478359027185613587,
%U 539970867097445764756784886568605205005,-6513790584274345956893756600832505179138091590508595552
%N a(n) = A121295(n) - A121265(n).
%C We conjecture that from some point on, all terms are >= 0.
%D David Applegate, Marc LeBrun and N. J. A. Sloane, Descending Dungeons and Iterated Base-Changing, in "The Mathematics of Preference, Choice and Order: Essays in Honor of Peter Fishburn", edited by Steven Brams, William V. Gehrlein and Fred S. Roberts, Springer, 2009, pp. 393-402.
%H David Applegate, Marc LeBrun and N. J. A. Sloane, <a href="https://arxiv.org/abs/math/0611293">Descending Dungeons and Iterated Base-Changing</a>, arXiv:math/0611293 [math.NT], 2006-2007.
%H David Applegate, Marc LeBrun, N. J. A. Sloane, <a href="https://www.jstor.org/stable/40391135">Descending Dungeons, Problem 11286</a>, Amer. Math. Monthly, 116 (2009) 466-467.
%K sign
%O 0,6
%A _N. J. A. Sloane_, Sep 24 2007
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