Number of length n+2 0..5 arrays with no three elements in a row with pattern aba (with a!=b) and new values 0..5 introduced in 0..5 order.
A243602
Number of length n+2 0..5 arrays with no three elements in a row with pattern aba (with a!=b) and new values 0..5 introduced in 0..5 order.
Terms
- a(0) =4a(1) =10a(2) =29a(3) =97a(4) =365a(5) =1511a(6) =6726a(7) =31544a(8) =153328a(9) =763187a(10) =3857651a(11) =19692114a(12) =101153422a(13) =521664456a(14) =2697067469a(15) =13966320059a(16) =72395025823a(17) =375501794607
External references
- oeis: A243602