A171446 a(n) = 0+1+2+...+n in lunar arithmetic in base 3 written in base 3.

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

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