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A171678 a(n) = 0+1+2+...+n in lunar arithmetic in base 8 written in base 8. 0
0, 1, 2, 3, 4, 5, 6, 7, 17, 17, 17, 17, 17, 17, 17, 17, 27, 27, 27, 27, 27, 27, 27, 27, 37, 37, 37, 37, 37, 37, 37, 37, 47, 47, 47, 47, 47, 47, 47, 47, 57, 57, 57, 57, 57, 57, 57, 57, 67, 67, 67, 67, 67, 67, 67, 67, 77, 77, 77, 77, 77, 77, 77, 77, 177, 177, 177, 177, 177, 177 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..69.

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: A085158 A065639 A325829 * A039090 A138988 A055520

Adjacent sequences:  A171675 A171676 A171677 * A171679 A171680 A171681

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 02 2010

STATUS

approved

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Last modified December 11 07:41 EST 2019. Contains 329914 sequences. (Running on oeis4.)