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A171446 a(n) = 0+1+2+...+n in lunar arithmetic in base 3 written in base 3. 0
0, 1, 2, 12, 12, 12, 22, 22, 22, 122, 122, 122, 122, 122, 122, 122, 122, 122, 222, 222, 222, 222, 222, 222, 222, 222, 222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..48.

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

Sequence in context: A308215 A216478 A181060 * A068515 A088240 A168457

Adjacent sequences:  A171443 A171444 A171445 * A171447 A171448 A171449

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 02 2010

STATUS

approved

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Last modified October 15 12:31 EDT 2019. Contains 328026 sequences. (Running on oeis4.)