Number of closed binary words of length n that are not privileged.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =4a(6) =12a(7) =20a(8) =42a(9) =76a(10) =144a(11) =256a(12) =488a(13) =892a(14) =1672a(15) =3092a(16) =5798a(17) =10856a(18) =20512a(19) =38652a(20) =73344a(21) =139212a(22) =265312a(23) =506464a(24) =969552a(25) =1858784a(26) =3571368a(27) =6871692a(28) =13244040a(29) =25558888