A044641 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A044641

Numbers n such that string 1,0 occurs in the base 9 representation of n but not of n+1.

9, 90, 171, 252, 333, 414, 495, 576, 657, 819, 900, 981, 1062, 1143, 1224, 1305, 1386, 1467, 1548, 1629, 1710, 1791, 1872, 1953, 2034, 2115, 2196, 2277, 2358, 2439, 2520, 2601, 2682, 2763, 2844, 2925, 3006, 3087, 3168

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {1, 0}]>0, 1, 0], {n, 3200}], {1, 0}][[;; , 1]] (* Harvey P. Dale, Jun 02 2024 *)

CROSSREFS

Sequence in context: A356748 A140160 A043960 * A165135 A277105 A180289

Adjacent sequences: A044638 A044639 A044640 * A044642 A044643 A044644

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved