Number of length n+2 0..7 arrays with no three elements in a row with pattern aba (with a!=b) and new values 0..7 introduced in 0..7 order.
A243604
Number of length n+2 0..7 arrays with no three elements in a row with pattern aba (with a!=b) and new values 0..7 introduced in 0..7 order.
Terms
- a(0) =4a(1) =10a(2) =29a(3) =97a(4) =366a(5) =1534a(6) =7049a(7) =35129a(8) =187993a(9) =1069914a(10) =6413136a(11) =40104257a(12) =259358085a(13) =1721368017a(14) =11650893890a(15) =80015045418a(16) =555433766065
External references
- oeis: A243604