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A044679
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Numbers n such that string 5,2 occurs in the base 9 representation of n but not of n+1.
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0
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47, 128, 209, 290, 371, 431, 452, 533, 614, 695, 776, 857, 938, 1019, 1100, 1160, 1181, 1262, 1343, 1424, 1505, 1586, 1667, 1748, 1829, 1889, 1910, 1991, 2072, 2153, 2234, 2315, 2396, 2477, 2558, 2618, 2639, 2720, 2801
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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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SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {5, 2}]>0, 1, 0], {n, 3000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 05 2019 *)
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CROSSREFS
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Sequence in context: A118091 A235176 A044298 * A350863 A253225 A039530
Adjacent sequences: A044676 A044677 A044678 * A044680 A044681 A044682
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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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