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A044257
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Numbers n such that string 0,6 occurs in the base 9 representation of n but not of n-1.
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0
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87, 168, 249, 330, 411, 492, 573, 654, 735, 783, 816, 897, 978, 1059, 1140, 1221, 1302, 1383, 1464, 1512, 1545, 1626, 1707, 1788, 1869, 1950, 2031, 2112, 2193, 2241, 2274, 2355, 2436, 2517, 2598, 2679, 2760, 2841, 2922
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..39.
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MATHEMATICA
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Flatten[Position[Partition[Table[If[MemberQ[Partition[ IntegerDigits[ n, 9], 2, 1], {0, 6}], 1, 0], {n, 3000}], 2, 1], {0, 1}]]+1 (* Harvey P. Dale, Feb 03 2015 *)
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CROSSREFS
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Sequence in context: A039489 A031891 A147140 * A044638 A324111 A044419
Adjacent sequences: A044254 A044255 A044256 * A044258 A044259 A044260
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KEYWORD
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nonn,base
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AUTHOR
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Clark Kimberling
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STATUS
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approved
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