Number of length n+4 0..n arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..n introduced in 0..n order.
A244176
Number of length n+4 0..n arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..n introduced in 0..n order.
Terms
- a(0) =13a(1) =108a(2) =650a(3) =3537a(4) =19113a(5) =107068a(6) =631917a(7) =3942493a(8) =25957707a(9) =179814745a(10) =1306450896a(11) =9927306820a(12) =78693187310a(13) =649274255424
External references
- oeis: A244176