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A175414
Those positive integers that when written in binary, the lengths of the runs of 1 are distinct and the lengths of the runs of 0's are distinct, and at least one run of 0's is the same length as a run of 1's.
1
2, 11, 12, 13, 19, 23, 25, 29, 38, 44, 47, 50, 52, 56, 61, 70, 71, 78, 88, 92, 95, 98, 103, 104, 113, 114, 115, 116, 125, 134, 140, 142, 152, 158, 176, 184, 188, 191, 194, 196, 199, 200, 206, 207, 208, 220, 226, 227, 230, 232, 236, 240, 242, 243, 244, 253
OFFSET
1,1
COMMENTS
This sequence contains those positive integers in A175413 that are not in A044813.
MATHEMATICA
f[n_] := Block[{rls}, rls=Transpose[Partition[Length/@Split[IntegerDigits[n, 2]], 2, 2, {1, 1}, 0]]; And@@Unequal@@@rls && Intersection@@rls != {}]; Select[Range[300], f] (* Ray Chandler, Oct 21 2011 *)
CROSSREFS
Sequence in context: A043080 A108199 A137904 * A359220 A059192 A087339
KEYWORD
base,nonn
AUTHOR
Leroy Quet, May 07 2010
EXTENSIONS
Extended by Ray Chandler, Oct 21 2011
STATUS
approved