Number of primitive binary words of length n that avoid 11, start with 1 and end with 0.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =3a(5) =3a(6) =8a(7) =11a(8) =20a(9) =30a(10) =55a(11) =83a(12) =144a(13) =224a(14) =373a(15) =597a(16) =987a(17) =1572a(18) =2584a(19) =4146a(20) =6756a(21) =10890a(22) =17711a(23) =28557a(24) =46365a(25) =74880a(26) =121372a(27) =196184a(28) =317811a(29) =513818