A043794 - OEIS

A043794

Numbers whose number of runs in base 3 is congruent to 3 (mod 7).

10, 11, 15, 16, 19, 20, 21, 23, 28, 29, 31, 35, 37, 38, 42, 43, 45, 49, 51, 52, 55, 56, 58, 62, 63, 66, 68, 71, 73, 74, 75, 77, 82, 83, 85, 89, 94, 107, 109, 110, 112, 116, 118, 119, 123, 124, 126, 130, 132, 133, 135, 148, 153, 157, 159

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..55.

MATHEMATICA

Select[Range[200], Mod[Length[Split[IntegerDigits[#, 3]]], 7]==3&] (* Harvey P. Dale, Jun 02 2022 *)

CROSSREFS

Cf. A007089.

Sequence in context: A043779 A043783 A043788 * A043801 A043809 A043818

Adjacent sequences: A043791 A043792 A043793 * A043795 A043796 A043797

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved