

A121264


See Comments for definition.


5




OFFSET

1,1


COMMENTS

We use N_b to denote "N read in base b". Similar to A121263, but now we write the numerals in the stack in binary:
......10....10.....10......10........etc.
..............11.....11......11..........
.......................100.....100.......
..................................101....
The next two terms have about 144 and 450 digits respectively.
A "dungeon" of numbers.


REFERENCES

David Applegate, Marc LeBrun and N. J. A. Sloane, Descending Dungeons and Iterated BaseChanging, 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. 393402.


LINKS

Table of n, a(n) for n=1..7.
David Applegate, Marc LeBrun and N. J. A. Sloane, Descending Dungeons and Iterated BaseChanging, arXiv:math/0611293 [math.NT], 20062007.
David Applegate, Marc LeBrun, N. J. A. Sloane, Descending Dungeons, Problem 11286, Amer. Math. Monthly, 116 (2009) 466467.


CROSSREFS

Cf. A121263, A121265.
Sequence in context: A024774 A068543 A064026 * A141566 A247094 A078736
Adjacent sequences: A121261 A121262 A121263 * A121265 A121266 A121267


KEYWORD

nonn,base


AUTHOR

Marc LeBrun, Aug 23 2006


STATUS

approved



