Number of equivalence classes of 3-binomial complexity for binary words of length n.

Terms

a(0) =2a(1) =4a(2) =8a(3) =16a(4) =32a(5) =64a(6) =126a(7) =247a(8) =480a(9) =926a(10) =1764a(11) =3337a(12) =6208a(13) =11408a(14) =20608a(15) =36649a(16) =63976a(17) =109866a(18) =185012a(19) =306285a(20) =497190a(21) =792920a(22) =1241936a(23) =1913566a(24) =2898574a(25) =4323980a(26) =6353060a(27) =9206137a(28) =13158574a(29) =18576644