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A377169
Nonnegative integers containing isolated ones in their binary representation.
3
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
1,2
COMMENTS
A 1 is isolated if it's not adjacent to another 1.
EXAMPLE
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.
MATHEMATICA
Select[Range[150], MemberQ[Split[IntegerDigits[#, 2]], {1}] &]
CROSSREFS
Complement of A144795.
Sequence in context: A130048 A189633 A032891 * A035262 A010440 A072008
KEYWORD
nonn,base,easy
AUTHOR
Paolo Xausa, Oct 18 2024
STATUS
approved