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A044407 Numbers n such that string 7,5 occurs in the base 10 representation of n but not of n-1. 0
75, 175, 275, 375, 475, 575, 675, 750, 775, 875, 975, 1075, 1175, 1275, 1375, 1475, 1575, 1675, 1750, 1775, 1875, 1975, 2075, 2175, 2275, 2375, 2475, 2575, 2675, 2750, 2775, 2875, 2975, 3075, 3175, 3275, 3375, 3475, 3575 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

CROSSREFS

Sequence in context: A044326 A044707 A228306 * A044788 A003503 A201916

Adjacent sequences: A044404 A044405 A044406 * A044408 A044409 A044410

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 26 13:22 EST 2023. Contains 360650 sequences. (Running on oeis4.)