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A044121
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Numbers n such that string 3,1 occurs in the base 6 representation of n but not of n-1.
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1
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19, 55, 91, 114, 127, 163, 199, 235, 271, 307, 330, 343, 379, 415, 451, 487, 523, 546, 559, 595, 631, 667, 684, 739, 762, 775, 811, 847, 883, 919, 955, 978, 991, 1027, 1063, 1099, 1135, 1171, 1194, 1207, 1243, 1279, 1315, 1351
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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, 6], {3, 1}]>0, 1, 0], {n, 1500}], {0, 1}][[All, 2]] (* Harvey P. Dale, Jan 05 2023 *)
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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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