Lengths of bit runs in A123506.

Terms

a(0) =1a(1) =2a(2) =1a(3) =3a(4) =1a(5) =1a(6) =2a(7) =2a(8) =3a(9) =2a(10) =4a(11) =3a(12) =5a(13) =5a(14) =5a(15) =7a(16) =8a(17) =9a(18) =11a(19) =12a(20) =14a(21) =17a(22) =19a(23) =22a(24) =26a(25) =31a(26) =34a(27) =41a(28) =47a(29) =55