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A044231 Numbers n such that string 5,4 occurs in the base 8 representation of n but not of n-1. 0
44, 108, 172, 236, 300, 352, 364, 428, 492, 556, 620, 684, 748, 812, 864, 876, 940, 1004, 1068, 1132, 1196, 1260, 1324, 1376, 1388, 1452, 1516, 1580, 1644, 1708, 1772, 1836, 1888, 1900, 1964, 2028, 2092, 2156, 2220, 2284, 2348 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[2400], MemberQ[Partition[IntegerDigits[#, 8], 2, 1], {5, 4}] && !MemberQ[Partition[IntegerDigits[#-1, 8], 2, 1], {5, 4}]&] (* Harvey P. Dale, Jan 15 2012 *)

CROSSREFS

Sequence in context: A332590 A187933 A118483 * A044612 A258555 A258548

Adjacent sequences:  A044228 A044229 A044230 * A044232 A044233 A044234

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 26 20:05 EDT 2021. Contains 348269 sequences. (Running on oeis4.)