Number of length n+2 0..5 arrays with no three elements in a row with pattern aba or abb (with a!=b) and new values 0..5 introduced in 0..5 order.
A243514
Number of length n+2 0..5 arrays with no three elements in a row with pattern aba or abb (with a!=b) and new values 0..5 introduced in 0..5 order.
Terms
- a(0) =3a(1) =5a(2) =10a(3) =25a(4) =76a(5) =263a(6) =978a(7) =3773a(8) =14824a(9) =58771a(10) =234046a(11) =934121a(12) =3732372a(13) =14921279a(14) =59668714a(15) =238642069a(16) =954502720a(17) =3817879787a(18) =15271256982a(19) =61084503617a(20) =244336965868a(21) =977345766295
External references
- oeis: A243514