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

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =6a(7) =7a(8) =10a(9) =14a(10) =29a(11) =33a(12) =51a(13) =67a(14) =97a(15) =176a(16) =218a(17) =309a(18) =426a(19) =589a(20) =778a(21) =1376a(22) =1649a(23) =2379a(24) =3147a(25) =4381a(26) =5653a(27) =7802a(28) =12158a(29) =15231