

A171816


Smallest number of rank n in the poset of lunar numbers.


0



9, 8, 7, 6, 5, 4, 3, 2, 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 10000000000000000000
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OFFSET

0,1


COMMENTS

We have now changed the name from "dismal arithmetic" to "lunar arithmetic"  the old name was too depressing.  N. J. A. Sloane, Aug 06 2014


LINKS

Table of n, a(n) for n=0..27.
D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic, arxiv:1107.1130 (2011).
Index entries for sequences related to dismal (or lunar) arithmetic


CROSSREFS

Cf. A087061 (definition of lunar sum and product), A087062 (table of lunar product), A087097 (lunar (formerly dismal) primes).
Cf. A161813 (lunar poset rank of n), A144171, A144175, A171786, A171787, A171788, A171789, A171794, A171795, A171796, A191752, A191753.
Sequence in context: A138531 A030076 A269667 * A083824 A087029 A104348
Adjacent sequences: A171813 A171814 A171815 * A171817 A171818 A171819


KEYWORD

nonn,base


AUTHOR

David Applegate, Marc LeBrun and N. J. A. Sloane, Oct 15 2010


EXTENSIONS

Edited by M. F. Hasler, Nov 12 2017


STATUS

approved



