Length of n-th run of identical symbols in A026465.

Terms

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