A171573 - OEIS

A171573

a(n) = 0+1+2+...+n in lunar arithmetic in base 5 written in base 5.

0, 1, 2, 3, 4, 14, 14, 14, 14, 14, 24, 24, 24, 24, 24, 34, 34, 34, 34, 34, 44, 44, 44, 44, 44, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 244, 244, 244, 244, 244, 244, 244, 244, 244

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..58.

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: A031241 A064958 A067177 * A039576 A091907 A354075

Adjacent sequences: A171570 A171571 A171572 * A171574 A171575 A171576

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 02 2010

STATUS

approved