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A044093
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Numbers n such that string 3,1 occurs in the base 5 representation of n but not of n-1.
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0
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16, 41, 66, 80, 91, 116, 141, 166, 191, 205, 216, 241, 266, 291, 316, 330, 341, 366, 391, 400, 441, 455, 466, 491, 516, 541, 566, 580, 591, 616, 641, 666, 691, 705, 716, 741, 766, 791, 816, 830, 841, 866, 891, 916, 941, 955, 966
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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, 5], {3, 1}]>0, 1, 0], {n, 1000}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 04 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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