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A043794
Numbers whose number of runs in base 3 is congruent to 3 (mod 7).
0
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
OFFSET
1,1
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
KEYWORD
nonn,base
STATUS
approved