Numbers of words on alphabet {0,1,...,8} with no subwords ii, where i is from {0,1,2,3}.
A254659
Numbers of words on alphabet {0,1,...,8} with no subwords ii, where i is from {0,1,2,3}.
Terms
- a(0) =1a(1) =9a(2) =77a(3) =661a(4) =5673a(5) =48689a(6) =417877a(7) =3586461a(8) =30781073a(9) =264180889a(10) =2267352477a(11) =19459724261a(12) =167014556473
External references
- oeis: A254659