A171816 Smallest number of rank n in the poset of lunar numbers.

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

Offset: 0

Author

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

Keywords

• nonn
• base

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

• 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.

Extensions

Edited by M. F. Hasler, Nov 12 2017