OFFSET
1,1
COMMENTS
These are the numbers for which the smallest Hamming distance to a fibbinary number is larger than 1.
LINKS
EXAMPLE
27 is 11011 in binary, thus it is in the sequence.
14 is 1110 in binary. The pairs of consecutive ones overlap, so it is not in the sequence.
MATHEMATICA
n=10;
a=Range[2^n];
fib=Select[a, BitAnd[#, 2#]==0&];
nonadj=Complement[a, Union@@Outer[BitXor, fib, 2^#&/@Range[n]]]
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Elijah Beregovsky, Dec 23 2022
STATUS
approved