A171763 Odd numbers whose binary expansion begins 10.

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

Author

N. J. A. Sloane, Oct 12 2010

Keywords

• nonn
• base

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A171757, A171758, A171764.

A subsequence of A004754.

Programs

Mathematica

Select[Range[3,181,2],Take[IntegerDigits[#,2],2]=={1,0}&] (* Harvey P. Dale, Jun 09 2016 *)