Wiki2
WordRepetitions

Word repetitions

Find a sequence of binary symbols where no word of size 4 is found in two places …

0000 1111 0101 1001 000

0000 - 0
 0001 - 1
  0011 - 3
   0111 - 7
     1111 - 15
      1110 - 14
       1101 - 13
        1010 - 10
          0101 - 5
           1011 - 11
            0110 - 6
             1100 - 12
               1001 - 9
                 0010 - 2
                  0100 - 4
                   1000 - 8

References