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A044196 Numbers n such that string 1,1 occurs in the base 8 representation of n but not of n-1. 0
9, 72, 137, 201, 265, 329, 393, 457, 521, 576, 649, 713, 777, 841, 905, 969, 1033, 1096, 1161, 1225, 1289, 1353, 1417, 1481, 1545, 1608, 1673, 1737, 1801, 1865, 1929, 1993, 2057, 2120, 2185, 2249, 2313, 2377, 2441, 2505 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

MATHEMATICA

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 8], {1, 1}]>0, 1, 0], {n, 3000}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 05 2020 *)

CROSSREFS

Sequence in context: A158193 A123987 A003365 * A064201 A244728 A069978

Adjacent sequences:  A044193 A044194 A044195 * A044197 A044198 A044199

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 1 04:37 EDT 2020. Contains 334758 sequences. (Running on oeis4.)