A171483 - OEIS

A171483

a(n) = 0+1+2+...+n in lunar arithmetic in base 4 written in base 4.

0, 1, 2, 3, 13, 13, 13, 13, 23, 23, 23, 23, 33, 33, 33, 33, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 333, 333, 333, 333, 333, 333, 333, 333

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..55.

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: A129671 A117684 A056445 * A100385 A250184 A128460

Adjacent sequences: A171480 A171481 A171482 * A171484 A171485 A171486

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 02 2010

STATUS

approved