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A171763
Odd numbers whose binary expansion begins 10.
4
5, 9, 11, 17, 19, 21, 23, 33, 35, 37, 39, 41, 43, 45, 47, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 153, 155, 157, 159, 161, 163, 165, 167, 169, 171, 173, 175, 177, 179
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[3, 181, 2], Take[IntegerDigits[#, 2], 2]=={1, 0}&] (* Harvey P. Dale, Jun 09 2016 *)
CROSSREFS
A subsequence of A004754.
Sequence in context: A314600 A023484 A102173 * A342092 A089255 A314601
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Oct 12 2010
STATUS
approved