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0, 0, 0, 0, 0, 5, 17, 38, 86, 365, 1530, 11770, 249015, 14102902, 5358889889, 19563802359728, 3359230167951553969, 181335944930584275675827047, 54416647690014492928933662292768842690, 6605721238793689879501639879905020611382966457124063495, 360539645288616164606228883801608423987740093330992456820074646988075733781755269
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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10,6
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COMMENTS
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All terms are >= 0.
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REFERENCES
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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.
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LINKS
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Table of n, a(n) for n=10..30.
David Applegate, Marc LeBrun and N. J. A. Sloane, Descending Dungeons and Iterated Base-Changing, arXiv:math/0611293 [math.NT], 2006-2007.
David Applegate, Marc LeBrun, N. J. A. Sloane, Descending Dungeons, Problem 11286, Amer. Math. Monthly, 116 (2009) 466-467.
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CROSSREFS
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Sequence in context: A087728 A072332 A212968 * A122734 A250413 A163686
Adjacent sequences: A127741 A127742 A127743 * A127745 A127746 A127747
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KEYWORD
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nonn
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AUTHOR
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David Applegate and N. J. A. Sloane, Sep 21 2007
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STATUS
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approved
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