A171794 Numbers of rank 7 in the poset of lunar numbers.

2, 13, 23, 30, 31, 32, 33, 103, 114, 124, 134, 140, 141, 142, 143, 144, 203, 213, 224, 234, 240, 241, 242, 243, 244, 301, 302, 303, 312, 313, 323, 334, 340, 341, 342, 343, 344, 400, 410, 411, 420, 421, 422, 430, 431, 432, 433, 440, 441, 442

Offset: 1

Author

David Applegate and N. J. A. Sloane, Oct 14 2010

Keywords

• nonn
• base

Links

• David Applegate and N. J. A. Sloane, Table of n, a(n) for n = 1..2725
• D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]
• Index entries for sequences related to dismal (or lunar) arithmetic