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A044687
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Numbers n such that string 6,1 occurs in the base 9 representation of n but not of n+1.
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0
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55, 136, 217, 298, 379, 460, 503, 541, 622, 703, 784, 865, 946, 1027, 1108, 1189, 1232, 1270, 1351, 1432, 1513, 1594, 1675, 1756, 1837, 1918, 1961, 1999, 2080, 2161, 2242, 2323, 2404, 2485, 2566, 2647, 2690, 2728, 2809
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {6, 1}]>0, 1, 0], {n, 3000}], {1, 0}][[All, 1]] (* Harvey P. Dale, May 25 2022 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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