A122734 - OEIS

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A122734

a(n) = A121265(n) - A121263(n).

0, 0, 0, 0, 0, 5, 17, 38, 86, 365, 1575, 11904, 249324, 14103554, 5358891212, 19563802362362, 3359230167951559162, 181335944930584275675837231, 54416647690014492928933662292768862601, 6605721238793689879501639879905020611382966457124102349, 360539645288616164606228883801608423987740093330992456820074646988075733781888309

(list; graph; refs; listen; history; text; internal format)

OFFSET

10,6

COMMENTS

All terms are >= 0.

REFERENCES

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.

LINKS

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.

CROSSREFS

Sequence in context: A072332 A212968 A127744 * A250413 A163686 A147165

Adjacent sequences: A122731 A122732 A122733 * A122735 A122736 A122737

KEYWORD

nonn

AUTHOR

David Applegate and N. J. A. Sloane, Sep 24 2006

STATUS

approved