A043808 Numbers n such that number of runs in base 3 representation of n is congruent to 2 mod 9.

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

Offset

1,1

Links

Table of n, a(n) for n=1..53.

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

Adjacent sequences: A043805 A043806 A043807 * A043809 A043810 A043811

Keyword

nonn,base

Author

Clark Kimberling

Status

approved