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A043865
Numbers n such that number of runs in the base 4 representation of n is congruent to 7 mod 9.
1
4369, 4370, 4371, 4376, 4377, 4379, 4380, 4381, 4382, 4385, 4386, 4387, 4388, 4390, 4391, 4396, 4397, 4398, 4401, 4402, 4403, 4404, 4406, 4407, 4408, 4409, 4411, 4484, 4486, 4487, 4488, 4489, 4491, 4492, 4493, 4494
OFFSET
1,1
MATHEMATICA
Select[Range[4500], Mod[Length[Split[IntegerDigits[#, 4]]], 9]==7&] (* Harvey P. Dale, Aug 16 2024 *)
CROSSREFS
Sequence in context: A043598 A043843 A043857 * A043874 A335326 A190135
KEYWORD
nonn,base
STATUS
approved