Number of binary words of length n with all distinct runs.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =18a(6) =36a(7) =54a(8) =92a(9) =154a(10) =244a(11) =382a(12) =652a(13) =994a(14) =1572a(15) =2414a(16) =3884a(17) =5810a(18) =8996a(19) =13406a(20) =21148a(21) =31194a(22) =47508a(23) =70086a(24) =104844a(25) =156738a(26) =231044a(27) =338998a(28) =496300a(29) =721042