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A043779
Numbers n such that number of runs in the base 3 representation of n is congruent to 3 mod 4.
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]]], 4]==3&] (* Harvey P. Dale, Apr 20 2012 *)
CROSSREFS
Sequence in context: A373617 A043583 A043773 * A043783 A043788 A043794
KEYWORD
nonn,base
STATUS
approved