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A171230 a(n) = 0+1+2+...+n in lunar arithmetic in base 2 written in base 2. 0
0, 1, 11, 11, 111, 111, 111, 111, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 11111, 111111, 111111, 111111, 111111, 111111 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..36.

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

Cf. A003817.

Sequence in context: A188548 A290671 A290416 * A131664 A289404 A278787

Adjacent sequences:  A171227 A171228 A171229 * A171231 A171232 A171233

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 02 2010

STATUS

approved

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Last modified May 25 12:30 EDT 2019. Contains 323568 sequences. (Running on oeis4.)