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A043808 Numbers n such that number of runs in base 3 representation of n is congruent to 2 mod 9. 0
3, 5, 6, 7, 9, 12, 14, 17, 18, 22, 24, 25, 27, 36, 39, 41, 44, 53, 54, 67, 72, 76, 78, 79, 81, 108, 117, 120, 122, 125, 134, 161, 162, 202, 216, 229, 234, 238, 240, 241, 243, 324, 351, 360, 363, 365, 368, 377, 404, 485, 486, 607, 648 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[700], Mod[Length[Split[IntegerDigits[#, 3]]], 9]==2&] (* Harvey P. Dale, Sep 20 2022 *)
CROSSREFS
Sequence in context: A043787 A043793 A043800 * A043817 A030731 A247454
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified May 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)