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A044251 Numbers n such that string 0,0 occurs in the base 9 representation of n but not of n-1. 0
81, 162, 243, 324, 405, 486, 567, 648, 729, 810, 891, 972, 1053, 1134, 1215, 1296, 1377, 1458, 1539, 1620, 1701, 1782, 1863, 1944, 2025, 2106, 2187, 2268, 2349, 2430, 2511, 2592, 2673, 2754, 2835, 2916, 2997, 3078, 3159 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Every element is a multiple of 81. The smallest positive multiple of 81 not in the sequence is 6642. - David W. Wilson, Aug 03 2005

LINKS

Table of n, a(n) for n=1..39.

Tanya Khovanova, Non Recursions

CROSSREFS

Sequence in context: A206065 A139705 A226643 * A043454 A044632 A031494

Adjacent sequences:  A044248 A044249 A044250 * A044252 A044253 A044254

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 25 18:20 EDT 2017. Contains 292499 sequences.