"BGK" (reversible, element, unlabeled) transform of 0,1,1,1,...

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =3a(8) =3a(9) =7a(10) =7a(11) =11a(12) =14a(13) =18a(14) =33a(15) =40a(16) =55a(17) =74a(18) =104a(19) =123a(20) =225a(21) =259a(22) =373a(23) =479a(24) =668a(25) =846a(26) =1119a(27) =1732a(28) =2137a(29) =2894