A171678 a(n) = 0+1+2+...+n in lunar arithmetic in base 8 written in base 8.

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

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