A186951 Number of lunar divisors (in base 10) of the n-th nonzero number whose decimal expansion contains only 0's and 1's (A007088(n)).

9, 18, 90, 27, 90, 180, 819, 36, 90, 180, 738, 270, 738, 1638, 7461, 45, 90, 180, 738, 270, 819, 1476, 6570, 360, 738, 1476, 6732, 2457, 6570, 14922, 67968, 54, 90, 180, 738, 270, 738, 1476, 6570, 360, 738, 1638, 6570, 2214, 6732, 13140, 59868, 450, 738, 1476, 6732, 2214, 6570, 13464, 59868, 3276, 6570, 13140, 59868, 22383, 59868, 135936, 619902

Offset

1,1

Links

N. J. A. Sloane, Table of n, a(n) for n = 1..99

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

A007088, A087029, A186943.

Sequence in context: A166640 A140149 A197345 * A176201 A186443 A066711

Adjacent sequences: A186948 A186949 A186950 * A186952 A186953 A186954

Keyword

base,nonn

Author

N. J. A. Sloane, Mar 01 2011

Status

approved