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 A044013 Numbers k such that 2 and 3 occur juxtaposed in the base-10 representation of k but not of k+1. 0
 23, 32, 123, 132, 223, 239, 329, 332, 423, 432, 523, 532, 623, 632, 723, 732, 823, 832, 923, 932, 1023, 1032, 1123, 1132, 1223, 1239, 1329, 1332, 1423, 1432, 1523, 1532, 1623, 1632, 1723, 1732, 1823, 1832, 1923, 1932, 2023 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {2, 3}]>0 || SequenceCount[ IntegerDigits[n], {3, 2}]>0, 1, 0], {n, 2500}], {1, 0}][[All, 1]] (* Harvey P. Dale, Aug 26 2021 *) CROSSREFS Sequence in context: A107282 A039410 A043233 * A081991 A118298 A209247 Adjacent sequences:  A044010 A044011 A044012 * A044014 A044015 A044016 KEYWORD nonn,base AUTHOR STATUS approved

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Last modified August 12 07:45 EDT 2022. Contains 356067 sequences. (Running on oeis4.)