Length of n-th run of 0's in A030308.

Terms

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