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A044327
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Numbers n such that string 8,4 occurs in the base 9 representation of n but not of n-1.
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0
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76, 157, 238, 319, 400, 481, 562, 643, 684, 724, 805, 886, 967, 1048, 1129, 1210, 1291, 1372, 1413, 1453, 1534, 1615, 1696, 1777, 1858, 1939, 2020, 2101, 2142, 2182, 2263, 2344, 2425, 2506, 2587, 2668, 2749, 2830, 2871
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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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Flatten[Position[Partition[Table[If[MemberQ[Partition[IntegerDigits[n, 9], 2, 1], {8, 4}], 1, 0], {n, 3000}], 2, 1], {0, 1}]]+1 (* Harvey P. Dale, Mar 11 2015 *)
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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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