Length of n-th run of 1's in A030317.

Terms

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