Lengths of successive words (starting with a) under the substitution: {a -> aab, b -> aac, c -> a}.
A101168
Lengths of successive words (starting with a) under the substitution: {a -> aab, b -> aac, c -> a}.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =25a(4) =71a(5) =201a(6) =569a(7) =1611a(8) =4561a(9) =12913a(10) =36559a(11) =103505a(12) =293041a(13) =829651a(14) =2348889a(15) =6650121a(16) =18827671a(17) =53304473a(18) =150914409a(19) =427265435a(20) =1209664161a(21) =3424773601a(22) =9696140959a(23) =27451493281a(24) =77720042081a(25) =220039211683a(26) =622970000809
External references
- oeis: A101168