login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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