Number of length-n binary words containing no instance of the pattern x y y x^R where x and y are nonempty.
A305694
Number of length-n binary words containing no instance of the pattern x y y x^R where x and y are nonempty.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =12a(5) =18a(6) =22a(7) =28a(8) =38a(9) =50a(10) =56a(11) =68a(12) =84a(13) =102a(14) =118a(15) =142a(16) =172a(17) =204a(18) =228a(19) =264a(20) =308a(21) =358a(22) =412a(23) =478a(24) =558a(25) =654a(26) =764a(27) =892a(28) =1048a(29) =1234
External references
- oeis: A305694