Number of length n+2 0..6 arrays with no three elements in a row with pattern aba (with a!=b) and new values 0..6 introduced in 0..6 order.
A243603
Number of length n+2 0..6 arrays with no three elements in a row with pattern aba (with a!=b) and new values 0..6 introduced in 0..6 order.
Terms
- a(0) =4a(1) =10a(2) =29a(3) =97a(4) =366a(5) =1533a(6) =7020a(7) =34631a(8) =181391a(9) =995139a(10) =5651157a(11) =32902123a(12) =194971159a(13) =1169639664a(14) =7076433285a(15) =43062727014a(16) =263096669677
External references
- oeis: A243603