A377169 Nonnegative integers containing isolated ones in their binary representation.

1, 2, 4, 5, 8, 9, 10, 11, 13, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 29, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 52, 53, 57, 58, 61, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87

Offset: 1

Author

Paolo Xausa, Oct 18 2024

Keywords

• nonn
• base
• easy

Comments

A 1 is isolated if it's not adjacent to another 1.

Examples

			19 is a term because 19 = 10011_2 contains one isolated 1.
74 is a term because all ones in 74 = 1001010_2 are isolated.
		

Links

• Paolo Xausa, Table of n, a(n) for n = 1..10000

Crossrefs

Complement of A144795.

Cf. A004752, A007088, A377167.

Programs

Mathematica

Select[Range[150], MemberQ[Split[IntegerDigits[#, 2]], {1}] &]