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 A044133 Numbers n such that string 5,1 occurs in the base 6 representation of n but not of n-1. 0
 31, 67, 103, 139, 175, 186, 211, 247, 283, 319, 355, 391, 402, 427, 463, 499, 535, 571, 607, 618, 643, 679, 715, 751, 787, 823, 834, 859, 895, 931, 967, 1003, 1039, 1050, 1075, 1111, 1116, 1183, 1219, 1255, 1266, 1291, 1327 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..43. MATHEMATICA Transpose[SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 6], {5, 1}]>0, 1, 0], {n, 1500}], {0, 1}]][[2]] (* The program uses the SequencePosition and SequenceCount functions from Mathematica version 10 *) (* Harvey P. Dale, Aug 07 2015 *) CROSSREFS Sequence in context: A132772 A116324 A179571 * A044514 A142110 A110831 Adjacent sequences: A044130 A044131 A044132 * A044134 A044135 A044136 KEYWORD nonn,base AUTHOR Clark Kimberling STATUS approved

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Last modified June 21 07:08 EDT 2024. Contains 373540 sequences. (Running on oeis4.)