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 A044319 Numbers n such that string 7,5 occurs in the base 9 representation of n but not of n-1. 0
 68, 149, 230, 311, 392, 473, 554, 612, 635, 716, 797, 878, 959, 1040, 1121, 1202, 1283, 1341, 1364, 1445, 1526, 1607, 1688, 1769, 1850, 1931, 2012, 2070, 2093, 2174, 2255, 2336, 2417, 2498, 2579, 2660, 2741, 2799, 2822 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..39. MATHEMATICA Flatten[Position[Partition[Table[If[MemberQ[Partition[ IntegerDigits[ n, 9], 2, 1], {7, 5}], 1, 0], {n, 3000}], 2, 1], {0, 1}]]+1 (* Harvey P. Dale, Feb 01 2015 *) CROSSREFS Sequence in context: A044572 A153677 A234876 * A044700 A063341 A118214 Adjacent sequences: A044316 A044317 A044318 * A044320 A044321 A044322 KEYWORD nonn,base AUTHOR Clark Kimberling STATUS approved

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Last modified December 8 08:52 EST 2023. Contains 367663 sequences. (Running on oeis4.)