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A186443 Records in A087029. 5
9, 18, 90, 180, 819, 1638, 7461, 14922, 67968 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

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

CROSSREFS

Cf. A186510.

Sequence in context: A197345 A186951 A176201 * A066711 A033651 A050250

Adjacent sequences:  A186440 A186441 A186442 * A186444 A186445 A186446

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 21 2011

STATUS

approved

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Last modified July 23 20:37 EDT 2017. Contains 289691 sequences.