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A044632 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, 737, 810, 891, 972, 1053, 1134, 1215, 1296, 1377, 1466, 1539, 1620, 1701, 1782, 1863, 1944, 2025, 2106, 2195, 2268, 2349, 2430, 2511, 2592, 2673, 2754, 2835, 2924, 2997, 3078, 3159 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[3200], MemberQ[Partition[IntegerDigits[#, 9], 2, 1], {0, 0}] && !MemberQ[Partition[IntegerDigits[#+1, 9], 2, 1], {0, 0}]&] (* Harvey P. Dale, Jun 20 2011 *)

CROSSREFS

Sequence in context: A226643 A044251 A043454 * A031494 A043324 A267696

Adjacent sequences:  A044629 A044630 A044631 * A044633 A044634 A044635

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 19 17:26 EST 2022. Contains 350466 sequences. (Running on oeis4.)