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A186443
Records in A087029.
5
9, 18, 90, 180, 819, 1638, 7461, 14922, 67968
OFFSET
1,1
LINKS
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]
CROSSREFS
Cf. A186510.
Sequence in context: A197345 A186951 A176201 * A066711 A033651 A050250
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 21 2011
STATUS
approved