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A044604 Numbers n such that string 4,4 occurs in the base 8 representation of n but not of n+1. 0
36, 100, 164, 228, 295, 356, 420, 484, 548, 612, 676, 740, 807, 868, 932, 996, 1060, 1124, 1188, 1252, 1319, 1380, 1444, 1508, 1572, 1636, 1700, 1764, 1831, 1892, 1956, 2020, 2084, 2148, 2212, 2276, 2367, 2404, 2468, 2532 (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], {4, 4}]>0, 1, 0], {n, 2600}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jan 21 2018 *)

CROSSREFS

Sequence in context: A062703 A043438 A044223 * A303606 A303661 A175391

Adjacent sequences:  A044601 A044602 A044603 * A044605 A044606 A044607

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 27 02:49 EDT 2020. Contains 337380 sequences. (Running on oeis4.)