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A043874 Numbers k such that the number of runs in the base-4 representation of k is congruent to 7 (mod 10). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Superset of A043598. Differs from A043865, from A043857 and from A043843 because numbers with run lengths of 17, 16, 15 or 14 clearly exist which are in only one these sequences. - R. J. Mathar, Oct 20 2008
LINKS
MATHEMATICA
Select[Range[5000], Mod[Length[Split[IntegerDigits[#, 4]]], 10]==7&] (* Harvey P. Dale, Mar 19 2012 *)
CROSSREFS
Sequence in context: A043843 A043857 A043865 * A335326 A190135 A207047
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified July 18 10:00 EDT 2024. Contains 374378 sequences. (Running on oeis4.)