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A044699 Numbers n such that string 7,4 occurs in the base 9 representation of n but not of n+1. 0
67, 148, 229, 310, 391, 472, 553, 611, 634, 715, 796, 877, 958, 1039, 1120, 1201, 1282, 1340, 1363, 1444, 1525, 1606, 1687, 1768, 1849, 1930, 2011, 2069, 2092, 2173, 2254, 2335, 2416, 2497, 2578, 2659, 2740, 2798, 2821 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Transpose[SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {7, 4}]>0, 1, 0], {n, 3000}], {1, 0}]][[1]] (* The program uses the SequencePosition and SequenceCount functions from Mathematica version 10 *) (* Harvey P. Dale, Mar 13 2016 *)
CROSSREFS
Sequence in context: A163303 A259956 A044318 * A142223 A033233 A335361
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified February 28 18:11 EST 2024. Contains 370400 sequences. (Running on oeis4.)