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A044602 Numbers n such that string 4,2 occurs in the base 8 representation of n but not of n+1. 0
34, 98, 162, 226, 279, 290, 354, 418, 482, 546, 610, 674, 738, 791, 802, 866, 930, 994, 1058, 1122, 1186, 1250, 1303, 1314, 1378, 1442, 1506, 1570, 1634, 1698, 1762, 1815, 1826, 1890, 1954, 2018, 2082, 2146, 2239, 2274, 2327 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

MATHEMATICA

Transpose[SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 8], {4, 2}]>0, 1, 0], {n, 2500}], {1, 0}]][[1]] (* The program uses the SequencePosition and SequenceCount functions from Mathematica version 10 *) (* Harvey P. Dale, May 28 2015 *)

CROSSREFS

Sequence in context: A233031 A233028 A044221 * A159904 A282854 A165222

Adjacent sequences:  A044599 A044600 A044601 * A044603 A044604 A044605

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 20 02:34 EDT 2021. Contains 345154 sequences. (Running on oeis4.)