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A044521
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Numbers n such that string 0,2 occurs in the base 7 representation of n but not of n+1.
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0
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51, 100, 149, 198, 247, 296, 345, 363, 394, 443, 492, 541, 590, 639, 688, 706, 737, 786, 835, 884, 933, 982, 1031, 1049, 1080, 1129, 1178, 1227, 1276, 1325, 1374, 1392, 1423, 1472, 1521, 1570, 1619, 1668, 1717, 1735, 1766, 1815
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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, 7], {0, 2}]>0, 1, 0], {n, 2000}], {1, 0}][[All, 1]] (* Harvey P. Dale, Aug 31 2021 *)
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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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